Attachment for Automobile Headlights (open access)

Attachment for Automobile Headlights

Patent for an automobile headlight attachment capable of horizontal rotation.
Date: December 2, 1919
Creator: Tripp, J. C.
System: The Portal to Texas History
Barrel Support (open access)

Barrel Support

Patent for "certain new and useful improvements in Barrel Supports (lines 5-6)."
Date: April 2, 1918
Creator: Taylor, Charles E. Jr.
System: The Portal to Texas History
Hoisting Drum (open access)

Hoisting Drum

Patent for improvements to hoisting drums for use in drilling oil, gas, and water wells, with the object being "to employ a plurality of hoisting drums upon the same shaft so that the cable may be wound partly on one drum and partly on another" (lines 73-76) such that the danger of cable cutting is decreased and the speed of operation is increased, including illustrations.
Date: May 2, 1922
Creator: Suman, John R. & Gamble, Adrian R.
System: The Portal to Texas History