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Summary

This collection consists of ten black and white photographs of bombing control instruments and equipment designed and manufactured by Alexander de Seversky and the Sperry Gyroscope Company, circa 1923.

Biographical / Historical

In the years following World War I, the US Army Air Service Engineering Division at McCook Field, Ohio worked to develop improved bombsights. One such project, undertaken with the Sperry Gyroscope Company and Alexander de Seversky (the designer), produced the Sperry Type C-1 bombsight, which used a gyroscopic stabilizer.

Identifier

NASM.XXXX.1141

Date

Circa 1923

Provenance

Donor unknown, material found in collection, NASM.XXXX.1141

Extent

0.35 Cubic feet (1 flat box)

Archival Repository

National Air and Space Museum Archives

Scope and Contents

This collection consists of ten black and white photographs of bombing control instruments and equipment designed and manufactured by Alexander de Seversky and the Sperry Gyroscope Company, circa 1923. The mounted photographs, which measure 12 by 10 inches including the mount and are labeled, include views of the sight cradle, the gyroscopic stabilizer mechanism, the pilot director mechanism, automatic machinery for logarithmic spiral drums, and the installation of the complete Sperry Type C-1 bombsight in a Martin bomber.

Arrangement note

Collection is in original order.

Rights

Material is subject to Smithsonian Terms of Use. Should you wish to use NASM material in any medium, please submit an Application for Permission to Reproduce NASM Material, available at Permissions Requests.

Restrictions

No restrictions on access

Citation

Seversky Bombing Control for Aircraft Photographs, NASM.XXXX.1141, National Air and Space Museum, Smithsonian Institution.

Topics

Aeronautics, Military

Avionics

Type

Collection descriptions

Archival materials

Photographic prints