Public domain
Top left: special three step roughing reamer. Top right, special taper forming reamer. Bottom, special line reaper, length 20 inches
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineTop left: special three step roughing reamer. Top right, special taper forming reamer. Bottom, special line reaper, length 20 inches. 1941-01-01. Gruber, Edward. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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