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Calculator, Graphic, Oblique, Aerial Type A-1, Prototype, with 18 Transectors

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Display Status:

This object is on display in the Boeing Aviation Hangar room at Steven F. Udvar-Hazy Center in Chantilly, VA.

Collection Item Summary:

At Wright Field, Ohio, Amron Katz developed the aerial photographic computer to solve mathematical problems in aerial photography. It consists of a base board computer, on which are drawn the coordinate axes (altitude and ground distance), and 18 mylar overlays, one for each type of camera used. The computer can calculate photographic coverage, nadir point distances, and effective altitudes.

Collection Item Long Description:

Data Source

National Air and Space Museum

Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum

Designer

Amron H. Katz

Credit Line

Gift of Amrom H. Katz

Materials

  • OVERALL - METAL & PLASTIC
  • TRANSECTORS (9) - HARD PLASTIC
  • TRANSECTORS (9) - MYLAR

Dimensions

11.25 in high, 18 in wide

See more items in

National Air and Space Museum Collection

Country of Origin

United States of America

Date

1949

Physical Description

Base board and transparent sector overlays used to present a graphic and dynamic analysis of the oblique photograph; also determines coverage, nadir point distances and effective altitudes.

Type

EQUIPMENT-Photographic

Inventory Number

A19930313000