Pump-Operated Device
Description:
Patent for "combination with a pump-operating crank-shaft and a walking-beam operatively connected with the pump-rod, means for preventing sudden movements of the pump-rod at the ends of its strokes and for assisting in starting the rod in its reciprocations" (lines 10-15).
Date:
May 28, 1901
Creator:
Crawford, Charles Buchanan
Partner:
UNT Libraries Government Documents Department