Pump-Piston.
Description:
Patent for an improvement on Pump-Pistons."This invention has for its object to provide a pump-piston constructed entirely of metal in order to avoid the use of packings constructed of leather or other rapidly-wearing material; and the invention consists in certain novel features of construction herinafter fully described." (Lines 15-21) Illustration is included.
Date:
December 31, 1901
Creator:
Kincaid, Walter H.
Item Type:
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Partner:
UNT Libraries Government Documents Department