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Production. Milling machines and machine castings. It's all a matter of relative angles and turning speeds. Properly set, this gear-cutting machine tool will produce any kind of beveled, spur, hypoid or other kind of gear. The small hypoid bevel gear shown partially cut in the center of the picture
Public domain

Production. Milling machines and machine castings. It's all a matter of relative angles and turning speeds. Properly set, this gear-cutting machine tool will produce any kind of beveled, spur, hypoid or other kind of gear. The small hypoid bevel gear shown partially cut in the center of the picture

Palmer, Alfred T., United States. Office For Emergency Management · 1942-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
safety film negativesmid westunited states
Credit lineProduction. Milling machines and machine castings. It's all a matter of relative angles and turning speeds. Properly set, this gear-cutting machine tool will produce any kind of beveled, spur, hypoid . 1942-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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