Object Details
- Manufacturer
- G. Felsenthal & Sons Inc.
- Physical Description
- Kit contains 17 items, see accession worksheets.
- Summary
- U.S. Air Force photo interpreters used the precision viewers and measuring instruments contained in this type of kit to study aerial photographs. Several items from the kit are displayed here. The reverse side of a standard slide rule. Aerial Photographic Computer, Type A-1
- This updated version of the Type A-1 computer, first developed by Amron Katz, has special scales for aerial photography. It is placed on the reverse side of a standard slide rule.
- 10-Inch Proportional Divider
- The divider measures proportions from 2:1 to 10:1.
- 6-Inch, 11-Point Divider
- This proportional divider is designed so the tiny points do not cover any pertinent areas of the photo.
- 2 and 4 Magnification Stereoscopes
- A stereoscope allows an interpreter to view photos as three-dimensional images.
- Credit Line
- Gift of Ben W. Rau
- Inventory Number
- A19771915000
- Restrictions & Rights
- Usage conditions apply
- Type
- EQUIPMENT-Photographic
- Country of Origin
- United States of America
- See more items in
- National Air and Space Museum Collection
- Location
- Steven F. Udvar-Hazy Center in Chantilly, VA
- Hangar
- Boeing Aviation Hangar
- National Air and Space Museum
- Record ID
- nasm_A19771915000
- GUID (Link to Original Record)
- http://n2t.net/ark:/65665/nv9c39ef6fa-62d3-4b32-8376-225631c04158
