Resource Type

Vehicle-Wheel. (open access)

Vehicle-Wheel.

Patent for improvements in vehicle tires consisting of a solid tire made out of rubber, but which also has the same elasticity as a pneumatic tire and includes instructions and illustrations. The main goal of this tire is to act as a shock absorber to prevent serious injury from happening to the driver in a vehicle.
Date: February 29, 1916
Creator: Downing, Otto P.
System: The Portal to Texas History
Slide-Display Machine. (open access)

Slide-Display Machine.

Patent for a mechanism that automatically moves the slides through a slide display machine to display each successfully upon a wall or screen, illustrations included.
Date: February 19, 1918
Creator: Brown, Thomas E.
System: The Portal to Texas History
Safety Device For Railway-Tracks (open access)

Safety Device For Railway-Tracks

Patent for a safety device for railway tracks to prevent derailment. Illustrations included.
Date: February 21, 1911
Creator: Carlton, Robert Elliston & Ryle, Marcus Warland
System: The Portal to Texas History