Photograph of the cockpit interior and instrument panel of a North American BT-9 Yale aircraft, circa 1940.
Inscription on verso: "This is the inside of the cockpit and some of the things we have to look out for and operate. We have airadio an [and]…
Photograph of the release handle, arming handle, and sight in the bomber's cockpit of an Aeromarine NBS-1 aircraft, circa 1926-1927.Typed caption: "Fig. 10. Bombers' cockpit (NBS-1) showing relative location of Type R-3 release handle, Type B-1…
Photograph of the instrument panel in a Boeing Model 247D aircraft, circa 1934-1935.Part of a photograph album related to Julius A. Barr's personal life and flying career in the United States and China, circa 1934-1935.
Photograph of a Douglas DC-3 instrument panel with a Learadio ADF 8 automatic direction finder, circa 1940s. The direction finder and two gauges are circled and numbered. Inscription on verso: "Copy of instrument panel (Chicago and [illegible]…
Photograph of an aircraft instrument panel equipped with a Learadio device, circa 1941.Inscription: "1941. [Amphibian?] with first dry-cell operated trans-rec[cut off]. [illegible] watt. Range 300 miles."
Photograph of an instrument panel outfitted with Learadio equipment, circa 1940s-1960s. Several of the instruments are labeled.Caption: "NA-44. Learadio equipment installation. Rear cockpit. Direction indicator. Transmitter power supply - Type…