Valve-Grinding Device
Description:
Patent for a device that can simultaneously grind "several valves of a multi-cylinder engine or motor" (lines 11-12). This device allows the "ready interchangeability, repair and adjustment of the working parts" (lines 16-17).
Date:
February 4, 1919
Creator:
Lohec, Joseph C.
Item Type:
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Partner:
UNT Libraries Government Documents Department