Search Digital Records
Limit your search
Item Type- Still Image (47)
- United States (4)
- New York (State) (3)
- New York (N.Y.) (2)
- Chicago (Ill.) (1)
- Garden City (N.Y.) (1)
- Illinois (1)
- photographic prints (47)
- composite photographs (5)
- press releases (1)
- Copyright undetermined (37)
- In copyright (10)
- Radio in aeronautics (47)
- Learadio (36)
- Lear Developments (27)
- Radio--Transmitters and transmission (17)
- Antennas (Electronics) (7)
- Lear, William P. (William Powell), 1902-1978 (5)
- Airplanes--Cockpits (4)
- Radio direction finders (3)
- Canada. Royal Canadian Air Force (1)
- Lear Avia Corporation (1)
- Lear, Inc. (1)
- MacRobertson International Air Race (1934) (1)
- Nichols, Nichols, Reeder Glen, 1904-1975 (1)
- Ontario. Department of Lands and Forests. Forestry Branch (1)
- Pangborn, Clyde Edward, approximately 1893-1958 (1)
- Ross, Betsy (1)
- Turner, Roscoe, 1895-1970 (1)
- United States. Army. Signal Corps (1)
- United States. Department of Commerce (1)
- Vehicles (1)
- Women air pilots (1)
- Women in aviation (1)
47 results
[Learmatic navigator]
(Item)
Photograph of a Learmatic navigator, circa 1940s.Inscription: "Learmatic navigator combining directional gyro with adjustable [illegible] and automatic and/or manual loop [rotator?]."
Photograph of a Learadio automatic direction finder, circa 1940.Inscription: "Manual loop antenna rotator and directional indicator. 1940."
Photograph of an unidentified aircraft fuselage with its side panel removed, showing the Learadio equipment installed in the front and rear cockpits, circa 1940s-1950s. Several of the components are labeled.
Caption: "NA-44 / Learadio equipment installation / Front and rear cockpit -- Right side. 20-1171-27."
Labeled components: "Direction indicator panel -- Rear cockpit. Automatic compass and…
[Learadio panel assembly]
(Item)
Composite photograph of Learadio panel assembly, showing side and front views, circa 1940s-1950s. Individual components include a fixed antenna tuning unit, trasmitter, automatic direction finder, and control unit.Caption: "Front view / NA-44 / Learadio panel assembly. 201171/25."
Photograph of Learadio equipment installed in the front cockpit of an unidentified aircraft, circa 1940s-1950s. Several of the components are labeled.Caption: "NA-44 / Learadio equipment / Front cockpit -- Right side. 20-1171-28."Labeled components: "Shock-mounted radio equipment support panel. Excess cable. Primary filter."
Photograph of William P. Lear (right) and two Lear, Incorporated employees looking at airborne radio equipment, circa 1940s-1950s.Typed caption on verso: "William P. Lear, Chairman of the Board, Lear, Inc., consults with members of his technical staff over newly designed airborne radio equipment. Lear, Inc. Santa Monica, California, U.S.A."Stamped on verso: "Hullibarger's Photography, [address and…
Photograph of William P. Lear with a Lear-o-Scope and loop antenna, New York City, New York, circa 1935.
Inscription on verso: "Bill Lear and his first direction finder, the Lear-o-Scope. NYC. 1935. Courtesy Lear Archives."
Typed caption on verso: "Q. Here yours truly is looking through the loop antenna that was finally adopted for the Model L Learscope. It is interesting to note that the Model L…