STATUS REPORT SEPTEMBER 1969

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79B00873A001400010010-8
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 54
• Document Creation Date: December 28, 2016
• Document Release Date: August 24, 2012
• Sequence Number: 10
• Publication Date: October 3, 1969
• Content Type: REPORT

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STAT
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71
STATUS REPORT
for Period
1 SEPTEMBER through 30 SEPTEMBER 1969
U.S. Government
STAT
STAT
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 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 1 September through 30 September, 1969.
Government,
STAT
STAT
STAT
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INDEX
Status Summary
Statements of Work, Specifications, Report Preparation
Scheduling and Planning
Test and Inspection Procedures
Management, Administration and
Meetings
Facilities Requirements
Main Frame
Skin
Supervision
Granite and Ways Assembly for Stages
Air Bearings
Stage Drives
Film Drives
Film Platen
Film Cooling
Tasks 16,
17 & 18
Task 20
Task 21
Task 22
Task 23
Task 24
Task 26
Task 27
Task 28
Task 29
Task 30
Task 32
Task 33
Progra m
Task 1
Task 2
Task 3
Task 4
Task 5
Task 6
Task 7
Task 8
Task 9
Task 10
Task 11
Task 12
Task 13
Task 14
Optics
General Platen Illumination
Optical Bridge
Interferometer Assembly
Optics Drives
Image Analysis System
Digitizing Logic
Metric Readout
Output Logic and Interface
Cabling -
Control Console and Chair
Computer
Electronic Racks and Control Cabinets
Page
1
T1-1
T2-1
T3-1
T4 - 1
T5-1&-2
T6 - 1
T7 - 1
T8-1
T9 - 1
T10 - 1
T1.1-1
T12-1
T13 - 1
T14-1
T16, 17 & 18-3.
T20-1
T21-1
T22-1
T23 - 1
T24 - 1
T26-1
T27* - 1
T28-1
T29 - 1
T30-1
T32 - 1
T33-1
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Index (cont'd)
Page
Task 34
Utilities, Vacuum and Air Systems
T34-1
Task 35
Vibration Absorption and Leveling
T35 - 1
Task 36
Overall Assembly
T3 6 - 1
Task 37
Electrical Noise Suppression
T37 1
Task 38
Environmental Control
T38-1
Task 39
Reliability Analysis
T39 - 1
Task 41
Tape Punch and Reader Assembly
T41-1
Task 42
Breadboards and Test Services
T42-1
Task 43
Computer Programming and Services
T43 - 1
Task 47
Instruction Manuals
T47 - 1
Task 48
Spare Parts List
T48-1
Task 49
Operator Training:
T49-1
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Progress Report - for period ending
August 31, 1969 Appendix I
Revised PERT Chart
Appendix II
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STAT
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PROGRAM SUMMARY
Scheduled Percentage of Completion 79.2%
Actual Percentage this Date 71.7%
During September a monitoring visit was made to
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purpose of reviewing the program status.
The performance of the Stereocomparator fabrication
program is proceeding normally and with no schedule changes
affecting the critical path.
. A visit was made to
by the customer's Technical
Representative concerned with instrument maintenance. During this
visit it was recommended that a minimum number of spare parts
items requiring a long lead for procurement be ordered as soon as
possible. This was specially with reference to certain optical parts
subject to catastrophic failure.
During September, the (Image
Analysis equipment subcontractor), slipped their acceptance testing
commencement schedule from September 8, 1969,. to October 6, 1969,
and then to October 27, 1969.
This is a very unsatisfactory situation, however the
overall schedule of the Stereocomparator is not affected.at this time.
Strong representation is being made to
attempt to arrive at a firm schedule for their work.
-1-
STAT
STAT
STAT
in an STAT
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STATEMENT OF WORK, SPECIFICATIONS,
REPORT PREPARATION
Scheduled percentage of completion
840/,
Actual percentage this date
84%
No new specifications were developed or issued
during this report period.
Monthly reports from our subcontractors are
incorporated into this document under appropriate task headings
or in the Appendix.
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SCHEDULING AND PLANNING
Scheduled percentage of completion
84%
Actual percentage this date
84%
A revised PERT chart has been prepared showing
the schedules for the various tasks that are anticipated through
July, 1970, and is included as Appendix II to this report.
There are no fundamental changes in the overall
program and the completion date remains the same.
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TEST AND INSPECTION PROCEDURES
Scheduled percentage of completion
74%
Actual percentage this date
58%
Work is continuing on the tests and procedures
related to the optical subassemblies.
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MANAGEMENT, ADMINISTRATION AND SUPERVISION
Scheduled percentage of completion
84%
Actual percentage this date
84%
Management and administrative functions are
proceeding normally with the work effort directed primarily to
the coordination requirements of the optical subcontract.
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Scheduled percentage of completion
84%
Actual percentage this date
84%
A meeting was held with the customer, representative
during the week of September 8th, during which certain details of
the output interface. to the central computer facility were discussed
and clarified. In particular, the logic voltage levels and modes of
operation were discussed and the transmission line characteristics
between the Stereocomparator equipment and the central computer
facility were established.
The Teletype interface to the customer's equipment
was also discussed, (the ASR 35 Teletype unit incorporated in the
Stereocomparator is shared between the Stereocomparator computer
and the central computer facility). The logic levels and mode of
operation (full duplex) were established as well as the transmission
line characteristics. It was found that the Teletype unit purchased
with the Honeywell DDP 516 computer used in the Stereocomparator
did not include a n"ALT MODE" key.
The Stereocomparator system does not use this particular
key although the customer data transmission system does and it was
T5-1
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if
agreed that, since the customer has the necessary parts for
installation of this key available in their plant facility, they
would make the installation after delivery of the instrument to
the customer's site.
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TASK 6
FACILITIES REQUIREMENTS
g
Scheduled percentage of completion 98%
Actual percentage this date 92%
An analysis of the clean room system has demonstrated
that the electric heaters, for reheating and temperature control of the
air conditioning system, were inadequately sized.
Larger heaters have been ordered to correct this
A high sensitivity recording thermistor thermometer
has been purchased for use in determining the stability of the clean
room air temperature. This will allow[::]to optimize the ambient STAT
air conditions for the Stereocomparator, with particular reference to
the testing program.
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TASK 7
Scheduled percentage of completion
98%
Actual percentage this date
93%
The main frame for the Stereocomparator was
completed in September, 1968.
No additional work will be scheduled for this,
Task until the return of the Optical. Bridge by the optics sub-
contractor.
T7-1
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TASK 8
SKIN
Scheduled percentage of completion
78%
Actual percentage this date
30%
The fabrication of the external skin sections has-
been completed to the point where the total assembly is needed
in order to finish this Task.
No further work is anticipated until the Stereo-
comparator has been completely assembled..
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GRANITE AND WAYS ASSEMBLY FOR STAGE
Scheduled percentage of completion 98%
Actual percentage this date
No further work is anticipated on this Task at
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AIR BEARINGS
Scheduled percentage of completion
Actual percentage this date 96%
E
The original air bearing filters leaked high pressure
air to the atmosphere and suffered frequent rupture of the 'filter
New filters of (design and fabrication have been STAT
installed and on the basis of the limited experience with their use,
appear to be fully satisfactory.
T10-1
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Scheduled percentage of completion 98%
Actual percentage this date 78%
Ell
The installation of the new air line filters (Task 10)
has been completed and preliminary testing of the stage drive
assemblies has begun.
Phasing of the various safety limit switches has
been accomplished although it was found necessary to mechanically
relocate some of these limit switch assemblies due to interferences
at the extreme limits of stage travel'.
The 23-bit digital-to-analog converters, which are
used to convert the computer signals into voltages suitable for
driving the servo amplifiers, have been tested under-computer control
and are satisfactory.
Measurements of the breakaway torque and running
friction have commenced; also, the design of the velocity feed back
loop is proceeding.
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TASK 12
FILM DRIVE AND TRANSPORT SYS''EM
Scheduled percentage of completion 98%
Actual percentage this date 70%
Testing of the film drive and transport system is
continuing and no significant difficulties have appeared.
It was found that the limited resolution of the joy-
stick film slewing control does not permit operation of the film
transport at sufficiently low velocities to allow proper film
positioning on the platen. This problem is under review.
Final chassis cleanup and testing has been per-
formed and the adjustment of the system with the pneumatic lift-off
and vacuum clamping apparatus will begin shortly.
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TASK 13
FILM PLATEN AND FILM CLAMPING
Scheduled percentage of completion , 98%
Actual percentage this date 92%
Checkout and test of the system is proceeding.
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FILM COOLING
Scheduled percentage of completion
98%
Actual percentage this date
60%
There will be no further work on Film Cooling
until the optical system arrives.
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TASKS 16, 17 & 18
VIEWING OPTICS, VIEWING ILLUMINATION,
RETICLE PROJECTOR and ILLUMINATION
Scheduled percentage of completion 97.5%
Actual percentage this date
Correspondence with the optical vendor
has indicated that their optical subassembly tests are showing
success in meeting and exceeding the expected performance
specifications.
They are presently starting optical tests with
individual subassemblies combined into systems.
=is presently reviewing the electromechanical
interface with the optical system to be sure that the final assembly
will be properly coordinated.
T16, 17&18-1
STAT
STAT
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TASK 20
Scheduled percentage of completion
98%
Actual percentage this date
86%
The platen illumination equipment has been
installed on the Stereacomparator and has been tested. The
units performed satisfactorily under the specified range of
illumination and appear to cause no radio- frequency inter-
ference in the system. This Task is therefore substantially
completed.
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TASK 21
OPTICAL BRIDGE AND SUPPORTS
Scheduled percentage of completion.
98%
Actual percentage this date
98%
No further work is scheduled until receipt of the
optical bridge and the optics from subcontractor.
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INTERFEROMETER ASSEMBLY
Scheduled percentage of completion 960/,
Actual percentage this date
Tests have begun with the Interferometer system
although definite measurements cannot be made until the
clean room temperature control system is fully satisfactory.
The optical wedge units in the photo field effect
transistor assemblies, which had corroded, have been repolished
and coated and are ready for use. -
It has been found that some wiring problems exist
in the cable assemblies between the laser power suppliers and the
laser plasm tube assemblies proper.
In particular, a 120 hertz spike has been found in
the servo correction feedback signal which is used to control the
frequency stabilizing system for the laser cavity. Also, some
difficulty has been found in getting one of the lasers to operate
reliably.
These problems are being investigated and will be
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resolved as soon as possible.
T22 - 1
STAT
P
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OPTICS, DRIVE ASSEMBLY
Scheduled percentage of completion 98%
Actual percentage this date 90%
Phasing of the manual operator controls is complete
and checkout of the slaved servo systems (e.g, reticle projector
system) is proceeding.
All components in this system are performing
satisfactorily .
The.automatic illumination control system design
is complete and fabrication of the modified circuit boards is nearly
finished.
Testing of these assemblies is being held up pending
El.
receipt of certain components for the circuit boards.
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Scheduled percentage of completion 88%
Actual percentage this date 95%
Progress on this task is detailed in Progress STAT
Report for the period ending August 31, 1969, which is included as
Appendix I to this report.
has suffered several setbacks in their checkout STAT
effort. This has required revision to circuit boards and procurement
of additional parts.
Presently,= has rescheduled their acceptance STAT
tests for October 27, 1969.
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TASK 2 6
DIGITIZING LOGIC SUBASSEMBLY
Scheduled percentage of completion 98%
Actual percentage this date 9,6%
The checkout of the individual subsystem is essentially
complete.
Further work is reported in Task 36, Overall Assembly.
Please refer to this Task.
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Scheduled percentage of completion 98%
Actual percentage this date 95%
E
The checkout of the individual subsystem is
essentially complete.
Further work is reported in Task 36, Overall
Assembly. Please refer to this Task.
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OUTPUT LOGIC AND INTERFACE
Scheduled percentage of completion
98%
Actual percentage this date
98%
The checkout of the individual subsystem is
essentially complete.
Further work is reported in Task 36, Overall
Assembly. Please refer to this Task.
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CABLING
Scheduled percentage of completion
98%
Actual percentage this date
97%
Modification of the harnesses for the stage drives,
in order to accommodate the range of motions required, has occurred
during this report period.
Several additional-cables are being fabricated for
shipment to~ for their optical testing programs. STAT
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Scheduled percentage of completion
98%
Actual percentage of completion
90%
Final checkout of the function and readout push-
buttons is complete.
The track ball circuitry has been checked out and
is operating satisfactorily and the joystick control has been
adjusted for proper operation.
The only remaining work to be done in the control
console is connected with the film drive joysticks (see Task 12)
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TASK 3-2
Scheduled percentage of completion -
98%
Actual percentage this date
95%
The modifications to the computer circuitry,. made
and described in the August, 1969, report, have been found entirely
satisfactory and no further revisions to the computer are anticipated
at this time.
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ELECTRONIC RACKS AND CONTROL CABINETS
Scheduled percentage of completion 98%
Actual percentage this date
Certain changes in the Electronics Cabinet #3
(digital equipment) wiring are continuing in order to reduce
noise and transmission losses in the digital logic systems.
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UTILITIES, VACUUM AND AIR SYSTEMS
Scheduled percentage of completion 90%
Actual percentage this date 90%
73
The testing of the valves, pressure switches,
and air control solenoids is almost complete. -
Adjustment of the trip points for the various
alarm (failure) sensors is being carried out as the associated
systems become operational.
T34 - 1
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VIBRATION ABSORPTION AND LEVELING
Scheduled percentage of completion
930/,
Actual percentage this date
85%
No further work is scheduled for this Task until
the Optical Bridge is received from At this time, full STAT
tests of response time and stage deflection will be conducted.
This delay is necessitated by the requirement for
full weight loading of the stages during these tests.
T35-1
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OVERALL ASSEMBLY
Scheduled percentage of completion 76%
Actual percentage this date 50%
Systematic checkout of the interface functions is
Through modifications to the ground bussing system,
described in the August, 1969, report, it has been found 'Ppssible
to reduce the noise levels in the system to within acceptable levels
for proper operation.
Propagation delays which were effecting the performa1nce
of the digital logic, as described in the August, 1969, report, have
been overcome and the interface system appears to be operating
entirely satisfactorily.
Work is now proceeding on the digital logic associated
with the manual modes of operation of the Stereocomparator.
T36 - 1
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ELECTRICAL NOISE SUPPRESSION
Scheduled percentage of completion
Actual percentage this date 50%
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Noise generation in terms of internally generated
unwanted signals, appears as crosstalk and spurious switching
signals.
This noise is being systematically eliminated and
the work is reported in other Tasks, (32, 29, etc.).
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T37
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Scheduled percentage of completion. 98%
Actual percentage this date 92%
L,
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The temperature sensors (microthermistors)
have been selected for the film cooling air temperature
control.
The customer's environmental air conditioning
consultant has been advised of the choice and he is now in a
position to procure the temperature control system for the film
cooling air supply.
T38-l
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TASK 39
RELIABILITY ANALYSIS
Scheduled percentage of completion 34%
Actual percentage this date 20%
.There is no formal reliability analysis planned
for the project.
The system testing program presently under way
has shown that the component and subassembly reliability actually
achieved is fully compatible with the needs of the program.
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Scheduled percentage of completion
70%
Actual percentage this date
70%
The high speed tape punch and reader assembly is
operating satisfactorily with the computer system in the Stereo-
comparator system.
It was found necessary, during the last reporting
period, to resharpen the high speed punch dies which had become
dulled through use.
T41-1
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TASK 42
Scheduled percentage of completion 90%
Actual percentage this date 65%
Design work on a test panel to be used in the optical
acceptance tests at has begun. Construction and ship- STAT
ment of this test panel, servo amplifier, and associated cables will
be completed as rapidly as possible.
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TASK 43
COMPUTER PROGRAMMING AND SERVICES
Scheduled percentage of completion
97'%
Actual percentage this date
80%
The programming effort has been terminated
until about November 1, 1969, to permit completion of the
computer interface checkout and integration with the overall
Stereocomparator electronic assembly.
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TASK 4 7
INSTRUCTION MANUAL AND DRAWING SUBMITTAL
Scheduled percentage of completion
79%
Actual percentage this date
32%
The revision of the design drawings to cover the
"as built" status of the various subassemblies of the Stereo-
comparator is continuing.
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TASK 48
Scheduled percentage of completion 39%
Actual percentage this date 65%
A short list of spare parts has been prepared
representing the most critical and longest lead items.
The customer has indicated these critical items
will be ordered as soon as possible.
T48 - 1
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Scheduled percentage of completion
40%
Actual percentage this date
70%
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The 80% complete manual, which was submitted to
the customer previously, has been informally reported to be satis-
factory.
visit to the customer for October 23rd & 24th, 1969, to discuss
details of this and related tasks.
has tentatively scheduled a
STAT
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PROGRESS REPORT FOR PERIOD ENDING 31 AUGUST 1969
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1,0 PROGRESS DURING REPORTING PERIOD
Debuciginq activities continued in August. As-described in the
July report, the reference phasing was corrected, and the analyzer
reference delay adjustment range established, The activities
had converged on removing interaction problems, setting the
gain and scale factors in order, a checkout of the time base
generator, a clean-up, and test considerations.
A voltage and temperature cycling of the time base generator
was performed. AF described previously, this was done as an
adjunct to correcting suspicious behavior of the synchronized
time base. The unsynchronized oscillator frequency variation
was not significant with line voltage changes because of the
mollifying effects of the intervening line-to-load regulation
provided by the power supplies. A net change of 0.2% in
frequency resulted from a line change from 103 to 126.5 volts.
The variation with temperature, however, was -0.5%/?C. Tem-
perature compensation was added to reduce the net variation to
+ 1.1% from 25? to 50?C. No further difficulty was experienced
with synchronization.
Electrical crosstalk between outputs was excessive. The inter-
action was not only between error signals associated with common
axes but also between axes. The on-axis distortion was mainly
resulting from frequency distortion in the parallax analyzer
multiplier. The addition of external sag compensation offered
considerable relief from this interaction. A general level of
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.interference on both axes was traced to the level sensitivity
of the video correlator multipliers. To prevent the direct
feedthrough of video which accompanied the product of the two
correlator inputs, the input levels should be below 0.25 volts
nns. The deflection current which shares the power ground with
signal current in the 77 feet of cable to the image dissector
assemblies was adding unwanted components to the signal, which
were analyzed as offsets.. An independent double-back connection
through the signal-ground line reduced this source of inter-
ference. An additional source of interaction between X and Y
scale errors was traced to the lack of control of the aspect
ratios of the two rasters. To affect the equality Y1/X1
Y2/X2, a fixed attenuation was inserted in the X1 line and
an adjustment in the X2 line to the deflection amplifiers. The
remaining crosstalk is below the maximum allowable level with
the AC threshold removed.
who designed the original correlator circuitry,
began working on the system on September 16. Don will be
making the final setting to assure that the intent of the
original design is realized.
2.0 PLANS FOR NEXT PERIOD
Some additional time will be given to as explained
above. The installation of the component board, wiring clean-
up and inspection will follow.
In the interim, the system drawings and the software submissions
will be corrected.
STAT
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'Special attention will be given to the improvement of the test
procedure.
A later contact will advise you of the test date and any further
considerations related to the acceptance tests.
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Declassified in Part - Sanitized Copy Approved for Release 2012/08/24: CIA-RDP79B00873AO01400010010-8