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Apparatus for Oiling Railway-Tracks. (open access)

Apparatus for Oiling Railway-Tracks.

Patent for improvements in mechanism for “applying oil to curves and switches of street railway tracks” (lines 6-7) by using an “oil-tank [that] is arranged in the upper position of the hood or shield over the car-wheel. The valve is in the bottom of the oil-space and may be controlled by a lever arranged to turn or lift in the valve, and under the valve is arranged the oiling-wheel, which runs lightly on the track or face of the car-wheel and applied the oil." (Page 2, lines 69-76) Includes illustration.
Date: August 4, 1891
Creator: Ennis, Thomas L.
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