Counties
Day
Language
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Pump-Piston.
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.
System:
The Portal to Texas History