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Pump.
Patent for a pump "whereby the pressure exerted upon the liquid in the pressure-pipe is alternately high and low, the high pressure being utilized to elevate the pump-rod, giving a rapid upstroke, and the low pressure to lower said rod gradually and insure a return flow of the liquid in the pressure-pipe." (Lines 26-33) Includes instructions and illustrations.
Date:
December 15, 1896
Creator:
Clarkson, William
System:
The Portal to Texas History
Hydraulic Pump.
Patent for a pump that operates "a pump-rod designed especially to dispense with valves, valve-cages, or other impedimenta to the flow of liquid" (lines 40-44). It is capable of pumping liquids to elevated heights.
Date:
December 15, 1896
Creator:
Clarkson, William
System:
The Portal to Texas History
Hydraulic Pump
Patent for a hydraulic pump with "means for automatically supplying water to the pressure-pipe while the pump is working to replenish waste or leakage." (Lines 18-20) Includes instructions or illustrations.
Date:
December 15, 1896
Creator:
Clarkson, William
System:
The Portal to Texas History
Swinging Chair.
Patent for improvements in swinging chairs for children, "which will render the chair automatic in operation or require but little exertion from the child occupying it, there being little or no danger of the child falling out while the chair is swinging," (lines 14-18) including instructions and illustrations.
Date:
September 3, 1891
Creator:
Eller, Julius M.
System:
The Portal to Texas History