Browse Items (33 total)

Photographic negative of an aircraft wing frame, circa 1910s-1920s.

Photographic negative of an aircraft wing frame, circa 1910s-1920s.

Photograph of display cases and shelving units filled with aircraft engine parts, circa 1930s. A sign on the counter contains information about the Menasco Super Buccaneer engine.Caption: "682."

Photograph of a Lear 3-axis servo unit, circa 1940s-1950s. Typed caption: "One of the first 3-axis servo units."

Technical drawings of a sound suppressor for a supersonic transport aircraft, drawn by William H. Cook, December 13, 1966.

Items from Box 24, Folder 4 and Box 205, Folder 5 of the William P. and Moya Olsen Lear Papers, July 1943-1944. Contains correspondence, diagrams, memos, and patent copies related to the expandable ring clutch. 27 total items and original folder…

Items from Box 27, Folder 34 and Box 200, Folder 3 of the William P. and Moya Olsen Lear Papers, circa 1939-1944. Contains assorted ad sheets and brochures for various Lear Avia products. 18 total items.

Items from Box 27, Folder 4 and Box 207, Folder 2 of the William P. and Moya Olsen Lear Papers, September 1940 through May 1941. Contains product "pitch" letters, diagrams, technical drawings, brochures, and price lists related to Lear products. 26…

Lear Jet FM Radio Adapter made of out black metal. The adapter is square-shaped with two outer components fitted together. On the front side there is a caution sticker and two black plastic dials. On the side a silver plaque is adhered to the metal…

Black Stereo 8, FM radio adapter. The object is a metal black rectangular box with silver screws holding the backing. Interior of object is not visible. A black rubber cord with silver prongs at the end is attached to the top left of the box. On the…