Universal Milling Machine Poster
$12.95
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Poster shows 1865 patent drawing of Joseph Rogers Brown's Universal Milling Machine. He invented it so he could quickly make any size twist drill. He also used the four-speed, 1,800-pound machine for spiral milling, gear cutting, and other work that previously required tedious hand operations. Part of the Machinists' Poster Series. 18" x 24" poster, printed on glossy poster stock.
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