Furnace (open access)

Furnace

Patent for a furnace that burns low grade fuel completely reducing waste.
Date: May 28, 1912
Creator: Rice, Earley W.
System: The Portal to Texas History
Section-Harrow (open access)

Section-Harrow

Patent for a section harrow. Illustrations included
Date: May 14, 1912
Creator: Shankle, Grover C.
System: The Portal to Texas History