Photograph of two men working on the fuselage and tail section of a Lockheed Model 9 Orion aircraft (tail number NC-799W). "Detroit News" is painted on the fuselage.Caption: "Van Plossem Studios / 20."
Photograph of a Menasco Motors engine installed in an unidentified aircraft, circa 1920s-1930s.Inscription: "Van Plossem [illegibe] /280 / Menasco Motors Inc."