Steam Boiler Furnace (open access)

Steam Boiler Furnace

Patent for steam boiler furnace. Illustration included.
Date: November 15, 1904
Creator: Nash, Alexander Q.
System: The Portal to Texas History
Plow. (open access)

Plow.

Patent for an improved shovel plow.
Date: November 15, 1910
Creator: Lindsey, William F.
System: The Portal to Texas History