Resource Type

Valve Operating Mechanism for Presses (open access)

Valve Operating Mechanism for Presses

Patent for a valve operating mechanism for presses. This invention is meant to be an improvement of baling mechanism effecting the automatic regulation and control the motor fluids. Illustrations included.
Date: December 29, 1903
Creator: Stuart, John Marcus
System: The Portal to Texas History
Massage-Machine (open access)

Massage-Machine

Patent for a massage machine which uses air pressure to perform massages. Illustrations included.
Date: December 29, 1908
Creator: Davenport, Walter D.
System: The Portal to Texas History