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Balanced Pump. (open access)

Balanced Pump.

Patent for a new and improved balanced pump. This design "relates to improvements in balanced pumps having two vertical receiving-cylinders provided with vertically-reciprocating plungers, and two vertical delivery-cylinders provided with plunging-barrels, all being provided with suitable valves operating automatically in conjunction therewith; and the objects of [the] invention are, first, to provide a pump by means of which water or other fluids may be conducted or raised with but little propelling power, and . . . to afford facilities for readily attaching it to be driven by any steam-engine" (lines 15-27).
Date: April 20, 1886
Creator: Ramsey, Haley S.
System: The Portal to Texas History
Box for Washing Material for Concrete. (open access)

Box for Washing Material for Concrete.

Patent for "a new and useful improvement in boxes for washing aggregate or rough material for making concrete" (lines 5-7), including instructions and illustrations.
Date: April 20, 1886
Creator: Carrico, Thomas W.
System: The Portal to Texas History