Switch-Locking Device. (open access)

Switch-Locking Device.

Patent for improvements in switch locking devices. Design intends to increase efficiency and ease of operability, as well as providing "means for retaining the latch in inoperative position" when chosen (lines 23-25).
Date: March 11, 1919
Creator: McCormick, William C.
System: The Portal to Texas History
Reversible Hoe. (open access)

Reversible Hoe.

Patent for a new and useful reversible hoe, including instructions and illustrations.
Date: September 11, 1898
Creator: Schultz, Carl Herman Severin
System: The Portal to Texas History
Fountain-Brush. (open access)

Fountain-Brush.

Patent for a fountain brush which allows for the attachment of a wiping cloth, and featuring a spring handle.
Date: March 11, 1913
Creator: Shanley, Michael Henry
System: The Portal to Texas History