Safety Railroad Appliance (open access)

Safety Railroad Appliance

Patent for a railroad safety appliance, which "may be readily installed in connection with the air brake system of a train and be automatically operated to bleed the air line and effect the applying of the brakes in the event of displacement of the brake beam and thereby avoid possible displacement of the car."
Date: May 26, 1914
Creator: Kush, John, Jr.
System: The Portal to Texas History
Cooling Device for Lard-Compounding Machines (open access)

Cooling Device for Lard-Compounding Machines

Patent for a machine that spreads melted lard into thin sheets and freezes it. Illustrations included.
Date: May 26, 1908
Creator: Wright, Robert L.
System: The Portal to Texas History