Browse Items (63 total)

Photograph of several Douglas C-47 Skytrain aircraft and a Learadio Beech B17L Staggerwing aircraft (tail number NC 15405) at Bolling Field, Washington, D.C., circa 1938.Inscription on verso: "Douglas Army transport ships and Learadio Beechcraft.…

Photograph of a Learadio Beech 17R Staggerwing aircraft, circa 1930s-1940s.Stamped on verso: "Please credit Hans Groenhoff, [crossed out telephone number and address in New York City, New York]."Note attached to verso: "[letterhead: Norman Warren] /…

Photograph of a Learadio Beech 17R Staggerwing aircraft, circa 1930s-1940s.Stamped on verso: "Please credit Hans Groenhoff, [crossed out telephone number and address in New York City, New York]."

Items from Box 12, Folder 13 of the William P. and Moya Olsen Lear Papers, circa 1939-1944. Contains a Learadio dealer franchise agreement form (blank) and a page from Appendix B of a Lear Avia contract. Two total documents.

Photograph of pilot Betsy Ross using a Learadio portable receiver in the cockpit of her Taylorcraft aircraft, August 20, 1940. An accompanying press release describes Ross's recent flight from Harrisburg Pennsylvania State Airport, noted as the first…

Photograph of Sydney Nesbitt (left) presenting a Learadio Model APR-A portable receiver to Katherine Rawls Thompson, winner of the Alcazar Trophy Race, Miami, Florida, January 1941. An unidentified U.S. Marine Corps serviceman stands in the…

Items from Box 4, Folder 3 of the William P. and Moya Olsen Lear Papers, circa 1937-1938. Contains an advertisement for the Learadio Compass, an advertisement for the Learadio AMRL-1 Marine Radio Direction Finder, and a brochure for Learadio…

Items from Box 4, Folder 6 of the William P. and Moya Olsen Lear Papers, September to October 1939. Folder contains assorted items related to the Learadio Airport Localizer (L-P-2), including summaries, correspondence, diagrams, sketches, a clipping,…

Items from Box 4, Folder 30 of the William P. and Moya Olsen Lear Papers, circa 1931-1939. Contains two reports related to the Learadio Lear-O-Scope Model LC 100 Radio Compass Direction Finder.

Photograph of an aircraft instrument panel outfitted with Learadio equipment, circa 1931-1939. Two arrows point to the direction indicator and the interphone and radio transmit control switch.Inscription: "NA-44 / Learadio equipment installation /…