National Air and Space Museum Archives

Seversky Bombing Control for Aircraft Photographs

Summary
Collection ID:
NASM.XXXX.1141
Dates:
Circa 1923
Languages:
English
.
Physical Description:
0.35 Cubic feet
1 flat box
Repository:
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.

Scope and Contents
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
Arrangement
Collection is in original order.

Biographical / Historical
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.

Administration
Author
Allan Janus and Jessamyn Lloyd
Immediate Source of Acquisition
Donor unknown, material found in collection, NASM.XXXX.1141
Processing Information
Arranged and described by Allan Janus, 2011. Updated and encoded by Jessamyn Lloyd, 2021.

Digital Content

Using the Collection
Conditions Governing Use
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.
Conditions Governing Access
No restrictions on access
Preferred Citation
Seversky Bombing Control for Aircraft Photographs, NASM.XXXX.1141, National Air and Space Museum, Smithsonian Institution.

Keywords
Keywords table of terms and types.
Keyword Terms Keyword Types
Aeronautics, Military Topical Search Smithsonian Collections Search ArchiveGrid
Avionics Topical Search Smithsonian Collections Search ArchiveGrid
Photographic prints Genre Form Search Smithsonian Collections Search ArchiveGrid
De Seversky, Alexander P. (Alexander Procofieff), 1894-1974 Personal Name Search Smithsonian Collections Search ArchiveGrid
Sperry Gyroscope Company Corporate Name Search Smithsonian Collections Search ArchiveGrid
United States. Army Air Forces Corporate Name Search Smithsonian Collections Search ArchiveGrid

Repository Contact
National Air and Space Museum Archives
14390 Air & Space Museum Parkway
Chantilly, VA 20151
NASMRefDesk@si.edu