Resource Type

Wheeled Scraper. (open access)

Wheeled Scraper.

Patent for improvements on the scoop-like body of a wheeled scraper. Includes illustrations.
Date: June 24, 1909
Creator: Robbins, John Proctor
System: The Portal to Texas History
Gate (open access)

Gate

Patent for a gate. Illustration included.
Date: February 8, 1910
Creator: Matthews, Joseph William
System: The Portal to Texas History
Railroad-Signal. (open access)

Railroad-Signal.

Patent for a new Railroad-Signal invention. The Railroad-Signal functions as an improved device for alerting locomotive engineers that an upcoming bridge is broken, flooded, or on fire.
Date: February 25, 1913
Creator: Waddle, Calvin H. & Roberston, Everett C.
System: The Portal to Texas History