Resource Type

Copy-Holding Pointograph. (open access)

Copy-Holding Pointograph.

Patent for a mechanism used in typewriters that holds documents to be copied indicates the line to be copied and shifts the document automatically. In addition, the patent includes instructions and illustrations.
Date: February 29, 1916
Creator: Mathews, Louis T.
System: The Portal to Texas History
Bearing for Baling-Presses. (open access)

Bearing for Baling-Presses.

Patent for a bearing for cotton presses which allows for greater force and less friction.
Date: December 29, 1916
Creator: Taft, John A.
System: The Portal to Texas History
Plastic Composition. (open access)

Plastic Composition.

Patent for a plastic composition that lasts indefinitely, especially for coffins or caskets.
Date: August 29, 1916
Creator: Stone, Oscar Ottoe
System: The Portal to Texas History
Electric Switch for Automatic Passenger-Fare-Registering Mechanism. (open access)

Electric Switch for Automatic Passenger-Fare-Registering Mechanism.

Patent for "improvements to electric switches for automatic passenger fare registering mechanisms" (lines 10-12). Illustration and instruction included.
Date: February 29, 1916
Creator: Savage, Harry & Baker, Willard L.
System: The Portal to Texas History