Resource Type

States

Month

Exhaust-Controlling Valve. (open access)

Exhaust-Controlling Valve.

Patent for new exhaust-controlling valve mechanisms in steam or air engines, including illustrations.
Date: March 27, 1906
Creator: Inman, Wesley J.
System: The Portal to Texas History
Combined Lifting-Jack and Shaft-Support (open access)

Combined Lifting-Jack and Shaft-Support

Patent for a "combined lifting-jack and thill-support for vehicles," (lines 8-9) with the objective being "to simplify and improve the construction and increase the efficiency of devices of this character." (lines 10-11)
Date: March 27, 1906
Creator: Morgan, Rovena G.
System: The Portal to Texas History