Water-Lift. (open access)

Water-Lift.

Patent for a water lift for wells, which can be easily removed from the well for cleaning.
Date: September 14, 1909
Creator: De Hymel, Franklin Oscar
System: The Portal to Texas History
Trolley Wire Hanger. (open access)

Trolley Wire Hanger.

Patent for new and improved trolley wire hangers to "provide a clamp for trolley-wires which may be easily and quickly adjusted by one not particularly skilled in the art" (lines 24-27), including instructions and illustrations. This clamp is also designed to keep broken insulator bolts from damaging the trolley and span wires.
Date: September 14, 1897
Creator: Faulkner, John F. & Campbell, Royer
System: The Portal to Texas History
Power Reversing Mechanism (open access)

Power Reversing Mechanism

Patent for a power reversing mechanism that "provides an automatic means for causing the platen to of the packer to reciprocate continuously...(lines 15-17)."
Date: September 14, 1920
Creator: Cameron, Theodore R.
System: The Portal to Texas History