Man and woman in the cockpit of a North American T-2813 Trainer plane, September 1953

Photograph of a man and woman in the cockpit of a North American T-2813 Trainer plane, September 1953. A man sits beside a woman inside an open cockpit, and both examine a small square device. The man wears a tie over a light shirt, while the woman wears her hair short or pinned back and light-colored garb. Photoprint reads: "H.M. Smith, engineer, Pat Lucas cheese cake device (?) display midget inter communication device for military aircraft, built for T-2813 trainer. From North American"