STATUS REPORT FOR PERIOD 1 OCTOBER THROUGH 31 OCTOBER 1968 SUBMITTED UNDER CONTRACT TO U.S. GOVERNMENT CONTRACT NO. (SANITIZED)

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79B00873A001500010002-6
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 68
• Document Creation Date: December 28, 2016
• Document Release Date: August 17, 2012
• Sequence Number: 2
• Publication Date: November 6, 1968
• Content Type: REPORT

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11033
STAT
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STATUS REPORT
for Period
1 October through 31 October 1968
Submitted under Contract to
U. S. Government
STAT
File No. 11038
STAT
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STAT
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STAT
STA
STAT
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This document is presented as the Monthly
Status Report under contract to the U. S.
The report period represented herein covers the
period of 1 October through 31 October 1968,
Government
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INDEX
Page
Program Status Summary
1
Task 1
Task 2
Task 3
Task 4
Statements of Work, Specifications, Report
Preparation
Scheduling and Planning
- Test and Inspection Procedures
Management, Administration and Supervision
2
Task. 5
Meetings
6
Task 6
Facilities Requirements
7
Task 7
Main Frame
8
Task 8
Skin
9
Task 9
Granite and Ways Assembly for Stages
10
Task 10
Air Bearings
1.1
Task 11
Stage Drives
12
Task 12
Film Drives
13
Task 13
14
Task 14
Tasks 16,
Film Cooling
15
17, 18
Optics
16
Task 20
General Platen Illumination
17
Task 21
Optical Bridge
18
Task 22
Interferometer Assembly
19
Task 23
Optics Drives
20
Task 24
Image Analysis System
21
Task 26
Digitizing Logic
2.2
Task 27
Metric Readout
23
Task 28
Output Logic and Interface
24
Task 29
Cabling
25
Task 30
Control Console
26
Task 32
Computer
27
Task 33
Electronic Racks & Control Cabinets
28
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Task 34
Utilities, Vacuum and Air Systems
29
Task 35
Vibration Absorption and Leveling
30
Task 36
Overall Assembly
31
Task 37
R.F.I. Suppression
32
Task 38
Environmental Control
33
Task 39
Reliability Analysis
34
Task 40
Installation
35
Task 42
Breadboards and Test Services
36
Task 43
Computer Programming and Services
37
Preacceptance Test in Fabrication Plant
38
Task 45
Acceptance Test in Fabrication Plant
39
Task 46
Acceptance Test after Installation
40
Task 47
Instruction Manuals
41
Task 48
Spare.Parts Lists
42
Task .49
Operator Training
43
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Summary as of October 31 1968
2
Scheduled percentage of program completed - 34.2%
Actual percentage completed this date - 32.2%
There has been considerable progress during this
report period which is outlined in detail under specific task heading
Machine assembly, framing and skinning are proceed-
ing according to schedule and items of peripheral equipment are being
delivered as required.
The results of the Project Manager's trip td
are included in this report under Task 16, 17 and 18.
STAT
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Task 01 Statements of Work, Specifications, Report
Preparation
Scheduled percentage of completion 32.0%
Actual percentage of completion 32 e 0%
There has been no requirement during this report
period for any changes to existing work statements or specifications,
and no additional items have been issued.
Subcontractor's progress report on Computer Programming
status, Task 43, is included in this report.
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Task 02
Scheduling and Planning
Scheduled percentage of completion
32.0%
Actual percentage of completion
32.0%
The program planning (PERT) chart is currently
being revised to reflect the effect of schedule revision
which is reported in Task 16, 17.and 18.
The impact: of this schedule change upon the overall
plan will be reported, and a new planning chart issued in November.
There have been no other schedule revisions during
this report period.
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STAT
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Task 03
Test and Inspection Procedures
Scheduled percentage of completion
24.0%
Actual percentage of completion
19.00/1
There is no change in the overall test procedure
schedule which will be prepared for release during the early part
of 1969,
All subassembly/assembly test procedures have
been written and implemented as required.
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t Task 04 Management, Administration and Supervision
Scheduled percentage of completion
Actual percentage of completion
During this report period, the Project Manager
visited the optical subcontractor's site to review overall progress.
Results of this visit are outlined in the specific task report.
Management effort during this report period has
been of a routine nature, with no major problems.
32.0%
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Task 05 Meeting s
Scheduled percentage of completion
Actual percentage of completion
Ell
A meeting was held at thel facilities on.
October 9 and 10 with various customer representatives. This
meeting was convened for the purpose of reporting program progress
and to resolve any technical questions which may have developed
during the program's duration.
This meeting was adjudged to be beneficial and
STAT
successful by bothOersonnel and customer representatives. STAT
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Task 06 Facilities Requirements
Scheduled percentage of completion 60.0%
Actual percentage of completion
During this report period,LIhas received the
pump and compressor for the utilities vacuum system, the air
conditioning motors and mounting blocks, the mounts and frames
for the machine and room air conditioning filters,
Delivery of the air conditioning units and the
condenser is scheduled for the early part of November.
No work has been performed on the Clean Room
construction during this report period, as machine assembly , with
the attendant drilling and grinding functions, has created a considerable
amount of dust and dirt. Work is scheduled to begin on the balance of
construction in November.
The contract for the installation and fabrication of the
ductwork was awarded during this report `period.
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Task 07 Main Frame and Structural Elements
Scheduled percentage of completion 98.0%
Actual percentage of completion 93.0%
As previously reported, the main frame and
structural elements have been installed.
No additional work was scheduled on this task
during the month of October.
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Task 08 Skin
Scheduled percentage of completion
2500%
Actual percentage this date
E
The aluminum skin which forms the protective
covering for the various subassemblies of the Stereocomparator
is being fabricated on schedule.
As reported previously, the skin sections housing
the utilities and electronics on the rear of the machine have been
completed, and the work of fabricating the skin which will house
the optical bridge, as well as the front of the Stereocomparator, is
in process. -
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Task 09
Granite and Ways Assembly for Stages
Scheduled percentage of completion
82.0%
Actual percentage this date
75.0%
As reported previously, the right hand granite base
was installed on the main frame during the month of September.
The left hand granite base was received in October,
and was drilled and tapped by the Shop. This section has now
been installed on the main frame also.
The remaining granite sections have been re-scheduled
to ship the month of November.
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Task 10
Air Bearings
Scheduled percentage of completion
50.0%
Actual percentage this date
50.0%
As reported previously, the fabrication of the air
bearings used to support and guide the two stages has been
completed.
The assembly and installation of the air bearings
which was originally scheduled for October is being rescheduled
for November to coincide with the delivery of the granite sections.
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proceed according to schedule.
Task 11
Stage Drives
Scheduled percentage of completion
52.0%
Actual percentage this date
44.0%
Both the mechanical and electronic portions of the
stage drive assemblies have been completed and bench-tested by
the shop.
Installation of these assemblies on the stages will
C
STAT
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Task 12
Film Drive and Transport Sy.tem
Scheduled percentage of completion
50.0%
Actual percentage this date
50.0%
During the month of October, the electronic chassis
required to operate the film drive were received and bench-tested
by the shop.
They were found to be satisfactory, and the film
drive and chassis have been connected and tested as a system.
Final servo alignment is now in process
STAT
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and air floating of the film is anticipated during November and December.
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Task 13
Film Platen and Film Clamping
Scheduled percentage of completion
30.0%
Actual percentage this date
22.0%
The film platen assembly has been fabricated, and
is being bench-tested in conjunction with the film drive electronical
check out.
Experimental work in connection with vacuum clamping
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Task 14 Film Cooling
Scheduled percentage of completion
Actual percentage this date
22.0%
The preliminary specifications for the film cooling
refrigeration system have been completed, and a subcontractor
to fabricate the air conditioning system is being selected by the
customer.
It is presently proposed to send the film cooling
conditioning unit to the optical subcontractor so that the equipment
may be tested under simulated operating conditions. The details
of this are being worked out with the site preparation subcontractor.
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Tasks 16, 17,
and 18 Viewing Optics, Viewing Illumination
Reticle Projector and Illumination
Scheduled percentage of completion 20%
Actual percentage this date
visited the optical subcontractor
during the week of October 14, 1Octobe 14, 1968.
All phases of the optics procurement were reviewed
and a new performance schedule was developed.
This schedule reflects delays and procurement problems
that have resulted from the disorders and strikes in Paris during the
past summer.
STAT
The scheduled date of completion of the optical
subcontract is now September 1, 1.969. This produces a delivery
date of March 15, .1970, for the Stereocomparator.
The report of the is given in STAT
Appendix I.
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Task 20
General Platen Illumination
Scheduled percentage of completion 50.0%
Actual percentage this date 41.0%
The high voltage connectors required for the
electrical chassis used to operate the general platen illumination
assembly were received in October.
Assembly of the mechanical components to the
chassis has been completed by the shop.
STAT
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Task 21
Optical Bridge and Supports
Scheduled percentage of completion
88.0%
Actual percentage this date
75.0%
The optical bridge, consisting of the center bridge,
right and left hand bridges and optical support castings, has been
mounted into position on the main frame.
Ell
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The lasers, mirrors and beamsplitters constituting
the interferometer system have been assembled.
Work is now in process connecting the electronic
circuitry to the mechanical components.
It is anticipated that this sub-assembly will be
ready to be mounted on the granite within the next report period.
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Task 22 Interferometer Assembly
Scheduled percentage of completion
Actual percentage this date 40.0%
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Task 23 Optics Drive Assembly
Scheduled percentage of completion
Actual percentage, this date 30.0%
We have received and checked out all of the servo
amplifiers for the optics drive assembly. Practically all of the
motors and special potentiometers have been received, and the
motors have been checked out. The check out of the potentiometers
is now being accomplished..
During the month of October, breadboard simulation
of the optical drives began, and at the present time we foresee no
problems.
We are now planning a computer program ,which
will test the accuracy and allow adjustment of the optics drives for
final assembly. This computer program will be included in the deliverable
items to provide a maintenance tool for calibration and adjustment of
the optics drive systems after delivery of the Stereocomparator.
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Task 24 Image Analysis System
Scheduled percentage of completion 18.0%
Actual percentage this date
The subcontract negotiated with
for the fabrication of the Image Analysis System has been signed
b~
STAT
STAT
The first progress report from) (covering the month STAT
of October is not due atl luntil the 15th of November, and there-
fore will be included with our next month's status report.
-21-
STAT'
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Task 26 , Digitizing Logic Subassembly
Scheduled percentage of completion 52.0%
Actual percentage this date 55.0%
The electronic chassis required for the digitizing
logic subassembly was received from the vendor and bench-tested
by the shop.
Minor discrepancies were found in the P.C. boards
for this chassis, and these were returned to the vendor for rewiring.
When these chassis have been reworked and returned,
they will be assembled into the system.
STAT
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Task 27 ,
Metric Readout
Scheduled percentage of completion
59.0%
Actual percentage this date
65.0%
The two electronic chassis controlling the metric
readout have been bench-tested by the^shop and found to be
completely satisfactory.
These chassis are now ready to be incorporated
into the overall system.
STAT
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Task 28 Output Logic and Interfaces
Scheduled percentage of completion
52.0%
Actual percentage this date
45.0%
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The electronic chassis required for the output logic
and interfaces are now being bench-tested by the shop personnel. STAT
Work is now in process testing the stage position and
mode logic chassis.
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Task 29 Cabling
Scheduled percentage of completion
Actual percentage this date 59.0%
P
The percent progress of the cabling required to
interconnect the various electrical and electronic elements being
assembled in the shop is as follows:
Cabinet #1
7
(Stage drives, film drive and
transport system) 99%
Cabinet #2
(Optics drive, interface with
Image Analysis System)
Cabinet #3
(Metric Readout, output logic and
interfaces) 71%
Electrical arrangement (floor inter-
connection of all cables) 38%
. 0
Control Console
Display Panel
Optical Bridge
Stage Assembly
STAT
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Task 30 Control Console and Chair
Scheduled percentage of completion 52.0%
Actual percentage of completion 48.0%
The switch assembly for the control console
was received in October which completed the mechanical portion
of this task.
The stainless shroud for the control console is
being fabricated by the shop, and fit checks to assure proper
alignment with the main assembly are in process.
STAT
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Task 32 Computer
Scheduled percentage. of completion 90.0%
Actual percentage this date
As reported previously, the DDP 516 computer
has been temporarily installed, and is being used by
STAT
personnel in their development of the computer program..
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Task 33
Electronic Racks and Control Cabinets
Scheduled percentage of completion
58.0%
Actual percentage this date
60.0%
The electronic racks have been received from the
vendor and were inspected by^personnel for compliance with
the design drawings and specifications.
Plenum chambers are being designed and fabricated
to match the supply and return air system within the cabinet, to the
input and output fans on the individual electronic chassis.
It has also been decided to provide eye bolts on the
tops of the cabinets to facilitate handling at the customer site during
installation.
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The cabinet to house the utilities, vacuum and
air systems is scheduled for delivery the first week of November.
A field trip was made to the vendor supplying the
electronic components, and_vas advised that these chassis will STAT
be received from the vendor during the month of November.
Upon receipt of the cabinet and the chassis, assembly
of the systems will begin.
Task 34 Utilities, Vacuum and Air Systems
. Scheduled percentage of completion
Actual percentage this date
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Task 35 Vibration Absorption and Leveling
E
Scheduled percentage of completion 90.0%
Actual percentage this date 85.0%
During the month of October,) STAT
Eli
representative visitedL-1 facilities to check out the vibration
absorption and leveling system.
The system has now been activated, and the
controls are now being prepared for acceptance testing by
-1pe
STAT
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Task 36 Overall Assembly
Scheduled percentage of completion
Actual percentage this date 5.0%
The Stereocomparator has been assembled to the
point where the optical bridge is being dowelled and pinned to assure
correct. optical alignment when it is returned from France.
The next major assembly to be installed will be the
saddles and "T" sections which are scheduled for installation after
the bridges are removed and shipped.
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Task 37 Radio Frequency Noise Suppression
Scheduled percentage of completion
Actual percentage this date . 0.0%
No work was performed on this task during
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Ell,
Actual percentage this date
There have been no changes in the environmental
control requirements, and therefore no work was performed on this
task during the month of October 19 68 ,
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Scheduled percentage of completion
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Task 39
Reliability Analysis
Scheduled percentage of completion
0.0%
Actual percentage this date
0.0%
No work was performed on this task during
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3.0%
A meeting was held at the installation site between
engineering representatives of nd the customer. The proposed STAT
site appears to be acceptable to[::] for installation of the Stereo- STAT
comparator.
There are many detailed problems related to handling
of heavy equipment to and from the installation area, and the customer
has proposed the use of overhead lifting equipment which appears to be
a very satisfactory way of solving these particular problems.
The air conditioning, air, electrical power, and electronic
cables are to be installed beneath the computer-type floor in accessible
utility and cable trays. A layout of the tray arrangement has been
delivered to the site preparation subcontractor.
onsiders that it is essential that a continuing
inter-change of information occur with customer representatives assigned
to the site preparation. Only in this manner will a minimum cost and
satisfactory installation be realized.
STAT
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Scheduled percentage of completion
Actual percentage this date
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Task 42 Breadboards and Test Devices
Scheduled percentage of completion 15.0%
Actual percentage this date 10.0%
Breadboard :.:test services are being performed
on the film platen and film clamping assembly. See Task #13.
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Task 43
Computer Programming and Services
Scheduled percentage of completion
24.0%
Actual percentage this date
25.0%
has requested that the customer assign a STAT
representative to review mutual problems related to the installation
and operation of the Stereocomparator computer interface.
the subcontractor for the computer
program, has submitted their October progress report which is included
herein as Appendix II.
experienced difficulty with: sticking of the
high speed paper tape punch and tearing of the tape. The Service
Representative of the punch manufacturer was called in to service and
adjust the punch head. It was learned that it is necessary to lubricate
the punches whenever sticking occurs or at least once a week. Further
it is important to use lubricated rather than dry paper tape.
There appears to be no further problem with the punch
STAT
STAT;
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lU/ bti
Task 44
Preacceptance Test in Fabrication Plant
Scheduled percentage of completion
0.0%
Actual percentage this date
0.0%
ILA ,
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lUy 00
Task 45
Acceptance Test in Fabrication Plant
Scheduled percentage of completion
0.0%
Actual percentage this date
0.0%
No work was performed on this task during
the month of October 1968.
-39-
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iu/ 00
Task 46
Acceptance Test after Installation
Scheduled. percentage of completion
0.0%
Actual percentage this date
0.0%
No work was performed on this task during
the month of October 19 68 .
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iv~uo
Eli
Task 47 Instruction Manual and Drawing Submittal
Scheduled percentage of completion 4.0%
Actual percentage this date 3.0%
We have completed the schedule for production of
(personnel are now in the process of writing the
first draft of instruction information on Tasks 11, 27 and 28.
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lug d8
Task 48
Spare Parts List
Scheduled percentage of completion
0.0%
Actual percentage this date
0.0%
No work has been performed on this task during
the month of October 19 68 0
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IV 1V/ Vo
Task 49 ? Operator Training
Scheduled percentage of completion
Actual percentage this date
We are continuing to compile information to be
used in the Operator Training Manual.
-43-
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 0
a
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a
Ip
a
e
a
0
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Appendix I
I!
E
E
c
Company Contacted:
Contact Date:
Contacted by:
Persons Contacted:
Reference:
Week of October 14, 1.968
Job #342
STAT
STAT
The visit was primarily for the purpose of determining the STAT
schedule relative to production of the optical system. for the Stereocomparator,
and in addition to establish the level of the work over the fabrication time
period in order to base the progress payments -relative to the work performed.
At the outset of the discussions it was clear that there was no prospect for
to meet the production require#nent and retain the production
solely in the
plant as had been planned. The impact of the strikes
and disorders in France during the summer of 1968 is now showing up in the
form of a much delayed delivery of the optical glass, and a jamming up of
the production facilities at the
STAT
STAT
because of other order.STAT
which were not processed during the early part of the summer.
At the previous I I it had been agreed that
would examine the possibility of performing some of the fabrication work in
their other facilities.
This was not a desirable step because of the obvious difficulties
in maintaining technical and schedule control when the project work is
STAT
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 77
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scattered over several facilities. However, in this case there appeared
Agreement was therefore reached wit to use their STAT
plants and additionally to send out to local STAT
machine shops whatever of the work could be handled in a practical
manner.
Meetings were held including people from` the various other
production facilities and it was agreed that approximately 10, 000 manhours
of work would be jobbed out to other plants. This represents 53% of the
fabrication effort.
It was not possible in the time available to arrive at the amount
of job-shop work to be let out, however, as a specific, the castings were
on hand at the plant and it was agreed that they would be sent out STAT
immediately for machining. The same day that this agreement was made
trucks picked up the castings and took them out for machining.
had ordered the glass for the zoom lenses from the French firm
The material that had been delivered to them for these lenses
was not up to specification and on the basis of
STAT
STAT
calculations it STAT
had been determined that the ultimate resolution of the Stereocomparator
would be degraded by 10%.
This matter was considered sufficiently serious to Iso that STAT
a special meeting was requested.. It was learned in the technical discussions,
that after surface polishing by
data, the
suitable.
the zoom lens glass had been
for determination of refractive index. From the resulting
optical engineers had decided that the glass was not
STAT
STAT
STAT
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In actuality: it turned out that had not determined the STAT
refractive index to the necessary tolerance or to the number of places of
decimals that was required for proper evaluation.
have them perform proper refractive index determinations. This action
It was therefore decided to return the glass to
STAT
was taken the same day and later in the week it was disclosed tha~
had determined the refractive index properly and that the data obtained,
showed that the glass was quite usable and there would be no. degradation
of resolution provided the front element zoom lens package was positioned
along with the other zoom lens moving elements.
therefore agreed to make this design change in the
ire
interests of maintaining optimum resolution.
STAT
STAT
As of now, 75% of the glass has been surface polished and returned to
for refractive index determination. 25% is in process of polishing STAT
The
Virtually 100% of the glass is on hand. STAT
plant has a total of 12 workmen performing special lens
grinding. Two of these men are working on the Stereocomparator.job, and
in addition,:. one' man is 'fintsb grinding the tooling glass surfaces
'At this time approximately 25% of the glass blanks have been
roughed out to contour, reading for polishing.
Practically all of the metal castings are on hand at
20 items were seen..
Many of the castings are of aluminum, but the larger frame
STAT
STAT
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pieces are of steel.. It was noted that approximately 75% of the many
.machine tools at were in operation, and a sign was up
on the outside of the building saying there were shortages in various
categories of machinists.
Approximately 1.50 parts were in process of being machined
and were in the various stages from roughing out to final machining.
The estimate of work performed and in progress was very close to that
anticipated by the latest schedule. Parts were physically in evidence and
On Drawing E6498C, the optical bridge center. section, requests
thatElkhow the center of gravity and the weight of the unit, one value
for the bridge only, the other with the bridge and the optics.
appears to be working at capacity to get the job done. STAT
plans to equip the bridge elements with lifting eyes
STAT
STAT
STAT
STAT
STAT
and the weights of all bridge elements are to be provided byl STAT
required a servo motor for test work as part of the optical servo STAT
drive simulation. The
motor had been selected byl las the STAT
best unit for driv1fQ the condenser zoom system. It was not possible to use
an American motor, in that none could be found with sufficient power and
:having the required small size.
has air-mailed it to
has bought one of the motors and
the motor has since arrived safely at~
There appeared to be much confusion in interpreting
STAT
STAT
drawings withSTAT
respect to the direction of rotation of the potentiometers for position readout.
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That is, as for example, tbie zoom magnification increased, there
was difficulty in understanding whether the potentiometer rotation was
i
clockwise or counter clockwise .
This entire package of drawings was reviewed with the
designers and a list was prepared covering the anamorphs, the zoom, and
the image rotators for all elements of the optical system, which specified,
the direction of rotation of the readout systems.
Certain of the drawings were found to be in error and were
STAT
7
marked up with corrections, has agreed to send the revised STAT
drawings to
STAT
Main IOX Zoom
For both left and right sides, potentiometers turn clockwise.
The main and reticle zooms and anamorphs are arranged head to head
so that due to the direction of the light rays, one unit magnifies while
the other de-magnifies. The two units are mechanically and electrically
equal,; F___~ust therefore not perform a compensation for this situation - STAT
it is to be taken care of by the optical arrangement zoom potentiometer.
6 = 347(K) log 10 magnification. The left main zoom, Dwg.
E4960A, is being revised by because the lens items 4, 5, 6
are in trouble as the proper Nd for the glass elements is not attainable.
Parts 30, 31, 34 of the assembly must be adjustable for position and will
be driven by the main cam. This is the item which otherwise would cut
the .peak resolution by 10% ,
STAT
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The functions for the main zoom 10X and the field condenser
adjustable diaphragm, Dwg. E4680, are as follows:
E49 60A - Ratio 4:1 potentiometer
Linear (condenser F = 40 drive)
Linear (diaphragm F = 40 drive)
Linear (condenser F = 80 drive)
Linear (diaphragm F = 80' drive)
Ratio 2:1 potentiometer
Exponential (zoom to reticle)
Linear (zoom to reticle)
Exponential (servo zoom computer)
Exponential (indicating meter)
Linear (spare)
a) Left zoom, Dwg. E4960A, position sense of main left
zoom potentiometer as magnification increases, zoom cam rotates counter
clockwise when viewed from the gear drive end. The 5-cup potentiometer
"turns clockwise when viewed from its drive shaft end. Likewise, the 4-cup
potentiometer turns clockwise when viewed from its shaft end.
b) Right zoom, Dwg. E4961A, as the magnification increases,
the 5-cup potentiometer turns clockwise. Also, the 4-cup goes clockwise,
both viewed from their shaft ends. The cam rotates counter clockwise
when viewed from its gear end.
Reticle 10X Zoo
Both left and right sides, potentiometers. turn counter-clockwise.
a) Left side, Dwg. E7040, potentiometer turns counter clockwise.
When the main zoom magnification increases, the reticle zoom magnification
must increase (see explanation for anamorph) This is accomplished when
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the cam rotates clockwise as viewed from its gear end. The potentiometer
turns counter clockwise when viewed from its shaft end.
b) Right side, Dwg. E7041, potentiometer turns counter
clockwise. For increase of magnification, the cam rotates clockwise
as viewed from its gear end, and the potentiometer rotates counter clock-
wise as viewed from its shaft end.
Reticle 4X Zoom
Both left and right side potentiometers turn clockwise.
a) Left side, Dwg. E7150A, when the spot diameter is
increased, the cam revolves counter clockwise when viewed from its
gear end. The potentiometer turns clockwise when viewed from its shaft
b) Right side, Dwg. E7151A, for. increasing the size of the
spot, the cam turns counter clockwise when viewed from its gear end
and the potentiometer turns clockwise when viewed from its shaft end.
Main Condenser. Diaphragm
The condenser diaphragm has a step function for an additional
Globe motor which switches the diaphragm origin when the objective lenses
are switched The command -for this motor and the two pairs of two limit
switches must be provided by wring objective switching. (Dwg. E7539A).
The motors are Globe Type SD servo mount., 136A100--7;4.; 12V, 8000 rpm.
a) Left side, Dwg. E7539A, when the magnification increases,
the potentiometer shaft turns counter clockwise when viewed from its
shaft end.
b) Right side, Dwg. E7540A. For increase of magnification,
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G
the potentiometer shaft turns counter clockwise when viewed
from its shaft end.
Main Condenser Lens Drives
Both left and right side potentiometers turn clockwise.
a) Left side, Dwg. E7469A. As the magnification increases,
the condenser lenses approach the platen by rotating the body counter
clockwise when viewed from the platen end. The potentiometer turns
clockwise when viewed from its shaft end.
b) Right side, Dwg, E7470A. For increase in magnification,
the potentiometer shaft turns clockwise when viewed from its shaft end.
Main Anamorph Expansion Ratio
Anamorph systems are based on the potentiometer sense
required when increasing anamorph expansion is seen at the eyepieces.
Allowance has been made for the fact of contraction by the reticle anamorph.
The potentiometer turns one right and one left hand. Active single .274 0
34' - 33" for exactly 2 ratio. Actually, 5% over-travel optically so
presumably there should be 5% electrical over-travel.
a) Left side, Dwg. E5120, potentiometer turns clockwise.
Drawing shows ratio 1:1. When the expansion ratio increases, the
potentiometer turns clockwise when viewed from outboard and towards
its shaft (i.e., when.viewed from its shaft end).
b) Right 'side, Dwg. E5121, potentiometer turns counter
clockwise. Drawing shows ratio 1:1. When the expansion ratio increases,
the potentiometer turns counter clockwise when viewed from its shaft end.
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Tabulation for potentiometer shaft angle Versus expansion
ratio of the main anamorph:
Anamorph Ratio
Expansion.
Potentiometer
Degrees
Shaft
Minutes
Angle
Seconds
1.000'0
0
0
0
1.0794
033
52
33
1.1667
067
45
0.7
1.3704
135
30
14
1.6316
203
15
36
1.7932
237
08
09
1.9832
271
02
13
2.000
274
00
14
6
Main Anamorph Rotation
Anamorph rotation systems are based on the potentiometer
sense required for clockwise rotation as seen at the eyepieces.
Allowance has been made for the effect of the various prisms.
a) Left side, potentiometer turns clockwise, the anamorph
prisms rotate counter clockwise when viewed from the end where the
light rays enter. Thus the 4-cup potentiometer rotates clockwise when
viewed from shaft end. Potentiometer ratio to anamorph 1:1.
b) Right side, potentiometer turns clockwise. When the
right eyepiece rotates clockwise, the anamorph prisms rotate counter
clockwise when viewed from the end that the light rays enter. The
4-cup potentiometer thus rotates clockwise when viewed from the shaft end.
Reticle Anamorph
'he reticle anamorph is the same design and has the same
function for the potentiometers.
a) Left side, Dwg. D,6970, the potentiometer turns clockwise.
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For increasing the expansion ratio, as shwv n by the main anamorph, the
potentiometer revolves clockwise when viewed from its drive shaft end.
( Note: In actuality, the reticle anamorph is in a "decreasing"
mode as it is compensating for the increasing ratio of the main anamorph.
Nevertheless, the rotation "sense" as written above..relates to the main
anamorph.)
b) Right side, Dwg. D6971, Potentiometer turns cot rater
clockwise. The right reticle anamorph potentiometer rotates counter
clockwise when viewed from its shaft end, as the main anamorph expansion
IE
Reticle Pechan Anamorphic Rotator
Both the left and right side potentiometers turn clockwise.
a) Left side. Prism is rotated counter clockwise when seen
from the end that the light rays enter. The 4-cup potentiometer thus
rotates clockwise when viewed from its drive shaft end.
b) Right side. For the right eyepiece rotation clockwise, the
right reticle spot Pechan image rotator rotates counter clockwise when
viewed from the end the light rays enter. The 4-cup potentiometer
rotates clockwise when viewed from its drive shaft end.
Note: Potentiometer ratio to Pechan 2:1.
Main Pechan Image Rotator
For both left and right sides, potentiometers turn clockwise
for clockwise rotation of the images as seen at the eyepieces. Allowance
has been made for effects of prisms, etc.
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7
a) Left eyepiece rotates clockwise when the Pechan rotates
counter clockwise when viewed. from the end the light rays enter. The
4-cup potentiometer thus rotates clockwise when viewed from the drive
shaft end.
b) The right eyepiece rotates clockwise when the Pechan
prism rotates counter clockwise when viewed from the end the light
rays enter. The.4-cup potentiometer thus rotates clockwise when
viewed from the drive shaft end.
Main Illumination Filter Wheels
The main illumination system filter wheels are arranged
to be linear with respect to density. This means logarithmic with
respect to transmission..
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a
it is not apparent just how the various optical parts can be properly held
in position during shipping to insure that there will be no breakage, and
it is certainly much more difficult to do this with the optical system
installed in the optical bridge as compared with packing the optical
elements in a dis-assembled condition.
The reasons for shipping the optics assembled are even more
valid at present than had been anticipated originally due to the increased
schedule.
Note the requirement that the optical elements would have
to be assembled, not only at
but also at the final installation site.
This amount of optical dis-assembly and assembly could seriously extend
the schedule and would probably require that the French optical technicians
be present to make the various assemblies.
An issue was therefore made of this situation and after con-
siderable discussion, the optical designer and the technical director
agreed that it should indeed be possible to pack the optics within the
optical bridge in such a manner as to insure safe shipping. It was pointed
out by that unless very special -precautions were taken to insure
that the individual segments of the optical bridge are properly located at
installation with respect to each other, then optical readjustment would
still be required.
0
Early in the project, LI suggested. to that a means should be
found of shipping the optics, already installed, in the various elements
of the optical bridge.
has resisted this situation and quite rightly, since
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STAT
STAT
STAT
STAT
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E
U
uhas undertaken to review this. aspect of the problem and STAT
to determine whether or not it is possible to provide tooling which- Will
accurately locate the various portions of the optical bridge with respect.
to each other. By this means everything possible will have been done
by [::]to insure a minimum slippage of schedule due to the necessity STAT
for optical realignment.
It had been determined byu that the glass refractive index as called STAT
out in the original specifications for the platen glass, was not possible
of attainment in the quality of glass required for the Stereocomparator.
A glass was therefore selected of proper quality with the
idea that a compromise would be required not only in the matter of
refractive index, but also with respect to thermal expansion.
Since any changes in the refractive index of the platen glass
would seriously influence the optical system as a whole, it was decided
b y -that the only rational solution to this problem was to make the
optical designers
the optical system.
STAT
responsible for integrating the glass into STAT
The platen glass was therefore ordered from
allowingSTAT.,
them to specify the exact refractive index which would properly integrate
with the optical system.
agreed to re-compute the optical system related to STAT
the condenser and objective lenses to allow for the change of the refractive
index of the :'platen glass. In addition, they agreed to perform an experi ment
with a sample of the proposed glass which would determine the effect of its
(`d -13-
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7
increased coefficient of thermal expansion.
The purpose of this experiment was to determine the effect
of the high intensity pencil of light rays focused at a point within the
one and one-quarter inch thick platen glass. It is possible that stresses
might be set up from local heating of the glass which could cause it to
crack.
has ordered the glass blanks, in parallel with
performing the experiment, with the- expectation that the experiment will
show that the effect is nil.
STAT
has ordered a. spare pair of platen glasses to insure that theSTAT
start-up of the Stereocomparator will not be delayed due to breakage or
damage to the platen glass. Assuming that the spare glasses are not
required, then these items will be recommended for procurement by the
customer as part of the Spares for the Stereocomparator.
has begun the work of designing and fabricating the STAT
acceptance test. fixture for holding the optical system. A building has been
assigned for this work at the rear of their property, and thus will be as far
as possible from with its vibration from heavy. :trucking. STAT
A concrete fixture will be provided. on the ground floor of this
building with the concrete isolated from the existing concrete floor by a
vibration absorbing media. A vibration. consultant has been called in by
and his preliminary recommendation is for a 4 ft. thick concrete STAT
El'
base block mounted over a plastic resilient material.
has also STAT
volunteered for the use of a small office with two desks to be adjaceiSTAT
to the test area.
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has been experiencing considerable difficulty in understanding the STAT
hand and position of the various images as they pass through the
Stereocomparator optical system. Some images are rotated and
additionally, mirror reflections complicate the situation. The entire
optical system was sketched on the blackboard and reviewed in a group
meeting. Agreement was reached on this situation, and a sketch was
prepared to show the position of the image as it passes through the
system to the eye pieces.
It was noted that one of the images presented to the image
dissector tubes is rotated 180? with respect to the other image. This
will have to be taken into account in the mounting and, connecting of
the image dissector tubes.
It was noted that is maintaining its past extremely cooperative
attitude towards the Stereocomparator project, and is showing no evidence
of compromising quality. In fact, the schedule is being somewhat
sacrificed in order to maintain the maximum quality of optics.
The scheduled date for completion of the optical subcontract
is now Sbptember 1, 1969. The delivery of the Stereocomparator is thus
scheduled for March 15, 1970.
STAT
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STAT
MONTHLY PROGRESS REPORT
October 1968
c. there is no easy automatic method of clearing or presetting
core memory
Specification number DB-1001 (as moditied).
This technical report is for the reporting period from October 1 to
October 31, 1968. It is prepared according to
1. 'During the month steady progress has been made on the entire
project but some unforeseen problems have delayed the comple-
tion of all of the planned activities for the month. A complete
familiarization of the machine and the computer manufacturer's
supplied software has uncovered some rather limiting (from
the standpoint of computer programming). shortcomings:
a. a random (non-periodic) punching failure occurs on the high
speed paper tape punch
b. the supplied loader will not automatically allow octal correc-
tions to memory locations
d. there is no method of duplicating very long program tapes.
In order to overcome the above shortcomings, the following has
been completed:
0
a. two short self-loading program tapes to clear and preset
core memory have been developed
b. a complete history of all punching errors is being kept
c. a new program loader system which loads all object programs,
incorporates all available debugging aides (ASR-Dump, and
DEBUG package), and automatically allows for octal correc-
tions of memory locations has been developed
STAT
STAT
d. a short tape duplicating program which will duplicate any length
of tape has been designed and will be developed.
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Including the above enumerated problems, and their subsequent
solutions, the percentage of work completed is about 20%.
F
2. Next. month's activities will include the completion of the two
executive programs, the selection of the necessary subprograms
for the calibration system, and continued effort on producing
detailed flow charts and coding of Fortran procedures.
3. At this time there exist no pending, unresolved technical problems.
4. There exist no pending,. unresolved contractual problems.
5. There have been no oral agreements or understandings reached
during this reporting period.
6. No changes or agreements have been made requiring approval of
the contracting officer.
7. No other unresolved matters are known to exist.
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