SCREW MACHINE FOR BOLTS FROM 3/8 INCH to 1 INCH DIAMETER. The turret revolves and locks automatically, the point at which the revolution occurs being adjustable and indicated by a gauge at the front of the turret slide. Made by Niles Tool Works. from the Article THE REVOLUTION IN MACHINE-SHOP PRACTICE. By Henry Roland. Part II THE DEVELOPMENT OF THE AUTOMATIC SCREW MACHINE. from The Engineering Magazine Devoted to Industrial Progress Volume XVIII 1899-1900 The Engineering Magazine Co

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Size: 3720px × 2663px
Location: Britain
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Licensed
Model Released: No

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