Resource Type

Extension-Ladder. (open access)

Extension-Ladder.

Patent for a new extension ladder, including illustrations.
Date: May 31, 1892
Creator: Crews, Dayton H.
System: The Portal to Texas History
Plow. (open access)

Plow.

Patent for a new and useful plow, including instructions and illustrations.
Date: May 31, 1898
Creator: Ward, William H.
System: The Portal to Texas History