WARREN BEVEL-GEAR CUTTING MACHINE. PRATT & WHITNEY CO. Largely used in cutting bevel gears for the chainless bicycle. from the Article THE GEOMETRICAL GENERATION OF IRREGULAR SURFACES IN MACHINE CONSTRUCTION. By Henry Roland. from The Engineering Magazine Devoted to Industrial Progress Volume XIX 1900 The Engineering Magazine Co

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Size: 3653px × 4136px
Location: USA
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Licensed
Model Released: No

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