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Motor

Description: Patent for a new and improved motor. This design's "object is to provide a motor possessing superior advantages in point of simplicity, inexpensiveness, easy operation, and general efficiency" (lines 11-14).
Date: November 6, 1883
Creator: Watkins, Samuel H.
Item Type: Refine your search to only Patent

Screw-cutting Die.

Description: Patent for a screw-cutting die, including illustrations. The invention includes "a die-plate of special construction, adapted to cut either right or left hand threads" (lines 12-13).
Date: February 6, 1883
Creator: Müller, Joseph
Item Type: Refine your search to only Patent
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