Photograph of a man working on a partially assembled Lockheed Model Vega aircraft, circa 1920s-1930s. The man is standing in the fuselage and attaching the wings.Caption: "Van Plossem / C-31."
Photograph of people working on a Lockheed Vega aircraft wing in a factory, 1920s-1930s. A partially constructed aircraft is visible in the background.
Caption: "Van Plossem / C-29."
Photograph of workbenches in a Lockheed aircraft factory, circa 1930s. Several people on the right-hand side of the photo are working on a wing.
Caption: "Van Plossem / C-129."