[Release handle, arming handle, and sight in bomber's cockpit of Aeromarine NBS-1 aircraft]

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 arming handle, and Type D-1 sight."

Part of a photograph album related to Julius A. Barr's flight training with the U.S. Army Air Corps at Brooks Field and Kelly Field, Texas, circa 1926-1927.