Automatic Railway Switch. (open access)

Automatic Railway Switch.

Patent for providing the means for a switch to be actuated which will allow trains to enter or exit a siding of the track.
Date: January 22, 1918
Creator: Gullion, Robert, A.
System: The Portal to Texas History
Milk-Warmer (open access)

Milk-Warmer

Patent for Milk-Warmer that heats "milk with the purpose of souring the same in preparation of the milk for churning" (lines 10-12).
Date: September 10, 1918
Creator: Ault, Ella A.
System: The Portal to Texas History
Go-Cart Attachment. (open access)

Go-Cart Attachment.

Patent for an attachment to a child-sized go-cart, meant to hook onto the seat of the cart and undercarriage, providing a receptacle for the child to store clothes or other personal items while keeping it from swaying or falling off.
Date: April 2, 1918
Creator: McWilliams, Lulie C.
System: The Portal to Texas History