[1540 LIGHT TABLES]

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B05171A000400030065-9
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 22
• Document Creation Date: December 28, 2016
• Document Release Date: June 7, 2005
• Sequence Number: 65
• Publication Date: April 26, 1971
• Content Type: MEMO

I P78B05171A000400030065-9
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 Approved For Ree 2005/06%23 : CIA-RDP78B05171A000030065-9
Technical Requirements for the Production
of the Split-Format
Light Table and'Mount for Various Micro-
stereoscopes
1. INTRODUCTION
These specifications describe the technical requirements to be met
in the construction of production units of a Split-Format 15+0 Light
Table with ring mount for various microstereoscopes. These light
which are included in this document. The detailed requirements for
changes and modifications are contained in the body of this documen-
tation. Unless otherwise specified, the production instruments
fabricated under these technical requirements shall equal or exceed
the performance of the pre-production model (when accepted) as defined
in Paragraph 1+.3.
This table shall incorporate two separate illuminated areas adjacent
to each other along their shorter dimension so that their combined
measurements shall be approximately 15" by 1+0". The longer dimension
of these light sources will be parallel to the length of the spooled
films being viewed.
Provision shall be made for viewing single rolls of 70mm, 5 6.6"
or 9.5" wide film; parallel viewing of two of the same width, or any
combination of two different widths, of 70mm, 5", or 6.6" wide film;
Approved For Release 2005/06/23 : CIA-RDP78BO5171A000400030065-9
 X 20"
in size, shall be illuminated by easily replaced fluorescent-
type sources. The distance between the two adjacent illuminated
areas shall not exceed It inches during normal viewing-operationsI
In addition, the capability of synchronous tilting of the
Approved For Re? e 2005/06/23: CIA-RDP78BO5171A0 00030065-9
and in-line viewing of two odthe same widths, of 70mm, 5", 6.6", or
9.5" wide film.