A Keller machine cutting a die shape from a plaster model. The plaster model is at the top. A "feeler" tool runs along the surface of the model and controls the cutting tool at the bottom in such a manner that the contours of the model are duplicated with an extremely high degree of precision on the nickel-iron form at the bottom. Plant of Frederick Colman & Sons, Inc., Detroit, Michigan

Actual size of negative is C (approximately 4 x 5 inches).
Caption card lists some of the printing history of image.
Title and other information from caption card.
Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944.
More information about the FSA/OWI Collection is available at http://hdl.loc.gov/loc.pnp/pp.fsaowi
Film copy on SIS roll 37, frame 542.