Resource Type

Water-Elevator. (open access)

Water-Elevator.

Patent for a water-elevator that elevates huge amounts of water for ranches and irrigating. The elevator "can be easily operated by the direct pull of a single animal, which passes and repasses the well during the operation of raising and lowering the well bucket, and by this means contemplates dispersing with the necessity of winding drums or windlasses and horse powers, which are usually employed in connection with water elevators" (lines 16-23).
Date: February 13, 1894
Creator: Campbell, George William
System: The Portal to Texas History
Dynamometer for Locomotives. (open access)

Dynamometer for Locomotives.

Patent for a new and improved dynamometer for locomotives. This design is "to provide a novel construction in dynamometers for indicating the traction power of locomotives" (lines 9-11). It consists in "a draw-head, a chamber containing a liquid located therein, a piston operating in said chamber, means for connecting said piston with the opposite draw-head, suitable tubing connecting with the said chamber, and a pressure-gage mounted upon or attached to the said tubing and actuated by the said liquid" (lines 29-37).
Date: January 13, 1891
Creator: Innes, Robert H.
System: The Portal to Texas History