Resource Type

Oil Pump (open access)

Oil Pump

Patent for an oil pump that may be attached to a barrel or container and dispense liquid in predetermined quantities.
Date: May 31, 1921
Creator: Hughes, Stanley R.
System: The Portal to Texas History
Method of Stretching and Securing Wire. (open access)

Method of Stretching and Securing Wire.

Patent for a "new method of stretching and securing wire" (line 6).
Date: April 27, 1920
Creator: Coulter, Thomas H.
System: The Portal to Texas History
Puzzle. (open access)

Puzzle.

Patent for a puzzle made of interlocking blocks that are attached by a cord through holes in the blocks, that, when fully assembled, forms the shape of a Chinese cross.
Date: August 23, 1921
Creator: Hime, Clint T.
System: The Portal to Texas History