Trip and Signal Device. (open access)

Trip and Signal Device.

Patent for a trip and signal device for mounting on railroad car wheels, which does not hammer on the wheels.
Date: August 10, 1909
Creator: Davis, George A.
System: The Portal to Texas History
Steering-Adjuster for Automobiles. (open access)

Steering-Adjuster for Automobiles.

Patent for an automatic adjuster for the steering gear of a Ford automobile, for "attachment to the steering knuckle arms and the front radius yoke" (lines 12-13), improving wheel alignment and tension and reducing "wabbling movement" (line 46).
Date: August 10, 1920
Creator: Moulder, Duncan
System: The Portal to Texas History
Improved Compound for Destroying Vermin in Cattle (open access)

Improved Compound for Destroying Vermin in Cattle

Patent for topical medication to kill screw-worms in livestock wounds.
Date: August 10, 1869
Creator: Kalteyer, Frederick
System: The Portal to Texas History