Public domain
Substitutes. Composition clock cases. New clock conserves critical metals. Two-bit model (right) produced by Gilbert Clock Corporation, compared with metal-case model which sold under the same guarantee. Saves brass, aluminum, phosphor, bronze and steel --and eases the transportation problem by redu
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSubstitutes. Composition clock cases. New clock conserves critical metals. Two-bit model (right) produced by Gilbert Clock Corporation, compared with metal-case model which sold under the same guarant. 1942-01-01. United States. Office Of War Information, Freeman, Albert. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.