Bottle Washing Apparatus (open access)

Bottle Washing Apparatus

Patent for bottle washing machine.
Date: February 27, 1917
Creator: McDaniel, Joshua S.
System: The Portal to Texas History
Valve Means for Oil Well Swivels (open access)

Valve Means for Oil Well Swivels

Patent for a valve that may be incorporated into the swivel of an oil well drill to aid in expediting the drilling process.
Date: February 27, 1917
Creator: Lincoln, B. Hugh
System: The Portal to Texas History