Public domain
Wool replaces rubber. A wool felt exhibit, illustrating "mechanical type" felt in some of the many forms in which it appears for use with machinery as a substitute for rubber parts
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineWool replaces rubber. A wool felt exhibit, illustrating "mechanical type" felt in some of the many forms in which it appears for use with machinery as a substitute for rubber parts. 1943-01-01. Smith, Roger, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
Similar works
Untitled
Untitled
Wool replaces rubber. Wool felt, a proven substitute for rubber in washers and gaskets for machinery, may be "tailored" as shown above to meet tolerances of a few thousands of an inch for a variety of sizes and shapes. Physical properties such as resiliency, tensile strength, etc., are "made to orde
Untitled
Bureau Standards plant for testing air plane radiators
Gears to grind the Axis. Giant gears to guide America's fleets around the sees to victory. A workman, dwarfed by the towering wheels, directs the moving of a high speed gear blank to a hooking machine. The surge of the mightiest surf won't faze these titans, whose job it is to speed the day when the