Belt Lifter for Bull Wheels (open access)

Belt Lifter for Bull Wheels

Patent for belft lifters for bull wheels for providing "a simple and efficient belt manipulating device peculiarly adapted to be used in connection with bull wheels of well drilling machinery" (line 11-14).
Date: March 23, 1915
Creator: Edward Peterson
System: The Portal to Texas History
Seal (open access)

Seal

Patent for seals of car doors and other structures, and the object is to provide seal which cannot be released without destruction or mutilation so that the tampering with the seal may be readily detected.
Date: March 23, 1915
Creator: Peyton, William T.
System: The Portal to Texas History