Title: Riveting team working on the cockpit shell of a B-25 [i.e. C-47] bomber at the plant of North American Aviation, Inc., Inglewood [i.e. Douglas Aircraft Company, Long Beach], Calif.
Photographer: Howard R. Hollem
I suspect there is an error in the Library of Congress title – the B-25 and C-47 are two completely different aircraft. This looks more like a C-47 – the B-25 had a glass roof.