Resource Type

Month

Connector for Lamps (open access)

Connector for Lamps

Patent for a connector for headlights that allows them to turn and to be operated from one location in the car.
Date: April 30, 1912
Creator: McKiel, James B.
System: The Portal to Texas History
Compressor. (open access)

Compressor.

Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date: April 19, 1910
Creator: Mayhew, John Daugherty
System: The Portal to Texas History
Locomotive Driving-Box (open access)

Locomotive Driving-Box

Patent for a locomotive driving box which provides shoes, wedges, and other train parts for repair. Illustrations included.
Date: April 30, 1912
Creator: Walsh, Frank A.
System: The Portal to Texas History
Headlight for Automobiles (open access)

Headlight for Automobiles

Patent for a headlight for automobiles that turns with the steering rod.
Date: April 23, 1912
Creator: McKiel, James B.
System: The Portal to Texas History