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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.
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