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Saw Tooth (open access)

Saw Tooth

Patent for "Improvement in Saw Teeth" (line 3)
Date: July 12, 1870
Creator: Littlepage, Caleb V.
System: The Portal to Texas History
Improvement in Furnaces. (open access)

Improvement in Furnaces.

Patent for improvements in furnaces, using steam to create heat. It includes a description and illustration.
Date: April 12, 1870
Creator: Morris, Joseph R.
System: The Portal to Texas History