A couple of nice higher precision components photos I found:
Component of the cowling for one particular of the motors for a B-25 bomber is assembled in the engine department of North American [Aviation, Inc.]’s Inglewood, Calif., plant (LOC)
Image by The Library of Congress
Palmer, Alfred T.,, photographer.
Part of the cowling for one of the motors for a B-25 bomber is assembled in the engine department of North American [Aviation, Inc.]’s Inglewood, Calif., plant
1942 Oct.
1 transparency : colour.
Notes:
Title from FSA or OWI agency caption.
Transfer from U.S. Office of War Information, 1944.
Subjects:
North American Aviation, Inc.
Airplane sector
Assembly-line techniques
Planet War, 1939-1945
Females–Employment
Bombers
United States–California–Inglewood
Format: Transparencies–Color
Rights Info: No identified restrictions on publication.
Repository: Library of Congress, Prints and Photographs Division, Washington, D.C. 20540 USA, hdl.loc.gov/loc.pnp/pp.print
Portion Of: Farm Safety Administration – Workplace of War Info Collection 12002-38 (DLC) 93845501
General data about the FSA/OWI Colour Photographs is available at hdl.loc.gov/loc.pnp/pp.fsac
Higher resolution image is offered (Persistent URL): hdl.loc.gov/loc.pnp/fsac.1a35314
Get in touch with Quantity: LC-USW36-453
Locomotive lubrication chart in the laboratory of the Chicago and Northwestern Railroad. The laboratory assistant in foreground is working at a precision balance. Chicago, Ill (LOC)
Image by The Library of Congress
Delano, Jack,, photographer.
Locomotive lubrication chart in the laboratory of the Chicago and Northwestern Railroad. The laboratory assistant in foreground is functioning at a precision balance. Chicago, Ill
1942 Dec.
1 transparency : colour.
Notes:
Title from FSA or OWI agency caption.
Transfer from U.S. Office of War Information, 1944.
Subjects:
Chicago and North Western Railway Business
Globe War, 1939-1945
Railroads
Laboratories
United States–Illinois–Chicago
Format: Transparencies–Colour
Rights Info: No identified restrictions on publication.
Repository: Library of Congress, Prints and Photographs Division, Washington, D.C. 20540 USA, hdl.loc.gov/loc.pnp/pp.print
Portion Of: Farm Safety Administration – Workplace of War Data Collection 12002-1 (DLC) 93845501
Basic data about the FSA/OWI Colour Photographs is offered at hdl.loc.gov/loc.pnp/pp.fsac
Higher resolution image is obtainable (Persistent URL): hdl.loc.gov/loc.pnp/fsac.1a34614
Get in touch with Quantity: LC-USW36-520