Harrow. (open access)

Harrow.

Patent for a harrow that is easily adjustable to different situations.
Date: December 14, 1909
Creator: Baumgarten, Johan Christian
System: The Portal to Texas History
Pencil. (open access)

Pencil.

Patent for a mechanical pencil, which allows the lead to be extended by turning the cap.
Date: March 16, 1909
Creator: Vasicek, John
System: The Portal to Texas History