Advertising-Machine (open access)

Advertising-Machine

Patent for an advertising machine for displaying various advertising cards in a motorized machine that displays all the different cards as it goes around in a circle.
Date: April 18, 1911
Creator: Helm, Virgil L.
System: The Portal to Texas History
Combined Scraper and Fender Attachment (open access)

Combined Scraper and Fender Attachment

Patent for a scraper and fender attachment for plows. Illustrations included
Date: April 18, 1911
Creator: Buttrill, David B.
System: The Portal to Texas History
Liquid-Fuel Burner (open access)

Liquid-Fuel Burner

Patent for a fuel burner for stoves and heaters. Illustrations included.
Date: April 11, 1911
Creator: Pearson, Lemuel O.
System: The Portal to Texas History
Railway Switch (open access)

Railway Switch

Patent for a railway switch. Illustrations included.
Date: April 4, 1911
Creator: Sydnor, Leslie A.
System: The Portal to Texas History