Resource Type

States

Nut Lock (open access)

Nut Lock

Patent for a nut lock. Illustration included.
Date: March 26, 1907
Creator: Baker, Alonzo
System: The Portal to Texas History
Power-Hammer. (open access)

Power-Hammer.

Patent for a hammer operated by a treadle with improved springs for enhanced power.
Date: September 3, 1907
Creator: Kinson, James D.
System: The Portal to Texas History
Cultivator-Arch (open access)

Cultivator-Arch

Patent for a cultivator arch designed to adjust and secure the beams of a plow. Illustrations included.
Date: August 20, 1907
Creator: Spence, Enoch M.
System: The Portal to Texas History