Resource Type

States

Power-Transmitting Mechanism for Pumps. (open access)

Power-Transmitting Mechanism for Pumps.

Patent for improvements in a pump operating mechanism which operates "long stroke, double-acting pumps" (lines 12-13). The mechanism is designed to expend little power, and includes illustrations.
Date: October 5, 1915
Creator: Fulford, Marcus F.
System: The Portal to Texas History
Educational-Chart Drawing-Board and Writing-Desk. (open access)

Educational-Chart Drawing-Board and Writing-Desk.

Patent for a durable writing desk that transforms into a drawing-board which can be folded and stored in a relatively small space when not in use.
Date: October 26, 1915
Creator: Henderson, George A.
System: The Portal to Texas History