Watchmaker's Tool.
Description:
Patent for a watchmaking device that allows for the operator to hold the watch wheel in one hand "while the instrument is fastened upon the roller by the other" (lines 20-22). The invention also has a centering device and auxiliary appliances that make all movements by the extractor accurate and even. This device does not injure the staff or pivot.
Date:
January 16, 1894
Creator:
Bricker, John A.
Item Type:
Refine your search to only
Patent