Valve Setting Machine (open access)

Valve Setting Machine

Patent for a valve setting machine. This invention is a machine for "revolving the main driving wheel of a locomotive to set the valves (11-12). Illustration included.
Date: August 4, 1908
Creator: Wyllie, Robert E. & Twohig, John D.
System: The Portal to Texas History
Transmission-Gearing. (open access)

Transmission-Gearing.

Patent for "improvements in variable speed transmission gearing, adapted for use upon automobiles or the like, while not necessarily restricted to such use. An important object of the invention is to provide apparatus of the above mentioned character, which is so constructed that the various speeds may be obtained in a highly expeditious and convenient manner" (lines 11-17) including an illustration and instructions.
Date: June 4, 1918
Creator: Pilcher, Newton R.
System: The Portal to Texas History
Riding-Spur. (open access)

Riding-Spur.

Patent for improvement in riding-spurs for horsemen by “using an open-ended socket, a shank having limited sliding movement in the socket, a rowel freely journaled at the outer end of the shank, and a spring inclosed within the socket and serving to hold the shank normally outward, the tines or points of the rowel being adapted to engage the socket and secure the rowel against rotation when the shank is pressed inward.” (P. 2, lines 6-14.) Illustration is included.
Date: March 4, 1902
Creator: Ridings, John G.
System: The Portal to Texas History
Rotary Shelving and Display-Cabinet. (open access)

Rotary Shelving and Display-Cabinet.

Patent for a rotary shelf and display cabinet that has a large amount of display space available in it.
Date: July 4, 1911
Creator: Hawkins, Millard F. & Berry, Joseph C.
System: The Portal to Texas History