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Balanced Pump.

Description: 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 prop… more
Date: April 20, 1886
Creator: Ramsey, Haley S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sash Fastener.

Description: Patent for a new and improved sash-fastener. This design consists in "the rack-bar, the pawl consisting of a metallic strip bent into substantially triangular form, one of the angles engaging the rack-bar, the pivot-screw passed through an eye formed at the upper angle of the pawl, and a handle at the remaining angle of the pawl, a stop-pin inserted through the pawl in rear of the engaging-point, and a spring to hold the pawl normally in engagement with the rack-bar" (lines 11-20).
Date: April 2, 1889
Creator: Elkins, William Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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