Photograph of Bob Del Principe with an Enerjet Aero-Dart rocket and attached Pterodactyl boost glider at the Fourteenth National Association of Rocketry Annual Meet (NARAM-14), Seattle, Washington, 1972.
Stamped on verso: "676C. Photo by G. Harry…
Photograph of Larry Brown (left) and Bob Del Principe (right) holding model rockets during the Fourteenth National Association of Rocketry Annual Meet (NARAM-14), Seattle, Washington, 1972.
Stamped on verso: "678C. Photo by G. Harry Stine, [address…
Photograph of officials and participants at the Fourteenth National Association of Rocketry Annual Meet (NARAM-14), Seattle, Washington, 1972. Identified individuals are: J. C. Worthen (left) and Bob Del Principe (right).
Stamped on verso: "678C.…