Resource Type

Month

Means for Operating Swinging Gates. (open access)

Means for Operating Swinging Gates.

Patent "to simplify and improve the construction of means for opening and closing swinging gates," (lines 10 - 12) including instructions and illustrations.
Date: January 12, 1892
Creator: Rhodes, James W.
System: The Portal to Texas History
Deep Well Pump. (open access)

Deep Well Pump.

Patent for a new and improved well pump. This design consists in "the timber bed arranged on the bottom of the well, in combination with two superposed metallic cylinders connected by a stock, said stock being provided at the bottom with inwardly-turned flanges made fast to said bed" (lines 55-60).
Date: March 22, 1887
Creator: Clark, Alexander Evans
System: The Portal to Texas History