October 1942. Cowling and control rods are added to motors for B-25 bombers as they move down the assembly line at North American Aviation, Inglewood, Calif. View full size. 4x5 Kodachrome transparency by Alfred Palmer.
These Aircraft factory photos are great, I love seeing them since I work in aviation.
[Well thanks. I think there may be a few more at the bottom of the shoe box. - Dave]
More information about formatting options
