INVOICE #4

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04770A002900010021-8
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 5
• Document Creation Date: December 28, 2016
• Document Release Date: June 8, 2005
• Sequence Number: 21
• Publication Date: October 31, 1965
• Content Type: CONT

STAT Approved For Release 2005/06/23 : CIA-RDP78BO477OA002900010021-8
Approved For Release 2005/06/23 : CIA-RDP78BO477OA002900010021-8
 Approved For Release 2005/06/23 : CIA-RDP78BO477OA002900010021-8
STAT
Monthly letter progress report - Contract
LOG OF ACTIVITIES
Friday October 1, 1965
October 31, 1965
Preparation of reports. (Principal Associate, ~ day, Task 11)
ber 6 196
wont narr i terature search on lamps for data on carbon are
,$ wtw I A^- T
k II)
e rformance As
o
s
s
c
Monday. October
ary search for a tional technteel literature on new lamp
developments and carbon are lamp performance. (Principal
Associate, 3/4 day, Task 11)
Wednesday. October 13 1965
Review data on promising new Iodide vapor are lamps. (Principal
Associate, day, Task II)
Friday, October 15, 1965
Compare carbon arc data and iodide vapor and multivapor lamp
`
performance. (Principal Associate, 1 day, Task
Thur da October 21, 196
e earch or carbon arc aemp cause data on steadiness, maintenance,
carbon replacement. (Principal Associate, day, Task II)
Frida October 22 1965
Review data on Iodide vapor and multivapor lamps and request
more information from lamp manufacturers. (Principal Associate
3/4 day, Task II)
Tuesda October 26, 1965
Continue requests to lamp manufacturers for additional engineer-
ing photometric data on new lamps. (Principal Associate, day
Task 11)
Wednesda October 27 1965
Review canon arc ampause data and other data collected for
report on lamps. (Principal Associate,. 1 day, Task II)
Approved For Release 2005/06/23 : CIA-RDP78BO477OA002900010021-8
 Approved For Release 2005/06/23 CIA-RDP78BO477OA002900010021-8
FTAT
0
October
o of Activities (Continued)
Thursday, October 2 1965
Review tec ni ca ata on amps, structural vibration and
target recd ition and discuss with Technical Representative
of Contract tn Officer in local conference. (principal. Associate
g day, Task I)
pi .d p October 2 1965
re arat Ion-of ports. (Principal Associate, 1 day, Task 11)
Approved For Release 2005/06/23.: CIA-RDP78BO477OA002900010021-8
 TAT
Approved For Release, 2005/06/23 : CIA-RDP78BO477OA002900010021-8
October 31, 1965
Monthly letter progress report, Contract
Comments on Status
Task I - Item 1 "Special Investigations"
There were no specific requests for visitations this
period.
Task II - Item 1 "Submicron Measurement Error Analysis"
Two specific areas have been investigated and reported
under item 1 since its initiation. They are: a) Physical
and' metallurgical properties of materials and b) Structural
rigidity and vibration control.
Reports No. 1 and No. 2 dealt with the physical and
metallurgical properties of materials. Reports No. 3 and
No. 4 dealt with structural rigidity and vibration control.
The aspects that require further work are:
b.
Search for data on the internal damping
coefficients of materials (especially
granite)
Further information on development
status of Owens-Illinois Cer-Vit C-100
glass which has zero coefficient of
thermal expansion.
Transmissibility of,vibration through
an air bearing in a direction normal to
the air cushion.
When some of the basic dimensions of
the precision stereo comparator have been
established, a dynamic model of its vibra-
tion characteristics can be analyzed.
e.) Investigation of the availability of
an 8 cps pneumatic isolator.
Approved For Release 2005/06/23 : CIA-RDP78BO477OA002900010021-8
 Approved For Release 2005/06/23 : CIA-RDP78BO477OA002900010021-8
Comments on Status ontinue
October 31, 1965
In the computer analysis of the building floor slab submitted
in report No. 4, the fundamental frequency was found to be
15.6 cps. The analysis was based on 2,000 psi concrete.
The architects drawings of the building indicated that
3,000 psi concrete was used.in the floor. The fundamental
floor slab frequency varies as the square root of the concrete
strength. Therefore the frequency should be:
15.6 3 0 0 = 19.1 cps
The increase of the floor slab fundamental frequency to
19.1 cps does not materially alter our previous conclusions.
We were advised that the Bureau of Standards had been
requested to measure vibration levels in the particular
building areas of interest. I believe the most useful
data would be a vibration power spectrum plot with coordinates
of G2/cps vs cps.
Our concern overuse of a 2 cps pneumatic isolator
centers on the large excursions an operator will encounter
in his normal work sequence. I suggest the technical staff
examine the optical bench in the Laboratory Branch which
is mounted on 2 cps "Serva-levl" pneumatic isolators. I
also suggest that a trial installation of the 2 cps
"Serva-levl" isolators on an existing piece mensuration
equipment be considered.
Task II - Item 4 "Automatic Target Recognition"
Over the past few months the STAT
as done
urt er work on the transtormation o aerial photo imagery
by generating the fraunhofer diffraction pattern with
coherent light from a laser. They were encouraged by the
distinctiveness of the signatures of various terrain
features and culture. I suggest a visit by the technical
staff to GMDRL in the near future is in order to examine
the recent work.
Task II - Item 5 "Lamps for Rear Projection Viewers"
Considerable data has been collected on carbon arcs and
also on some new enclosed gaseous arc discharge lamps under
development. Preparation of the second technical report on
this subject has been initiated. Services of ?TOO
will be needed for the preparation of the rep .
Approved For Release 2005/06/23 : CIA-RDPl8B04770A002900010021-8