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Improvement in Sulky Plows

Description: Patent for the improvement of sully plows by regulating the depth of furrow.
Date: April 5, 1870
Creator: Boyd, John G. & Bailey, Allen
Partner: UNT Libraries Government Documents Department

Improvement in Saws.

Description: Patent for improvement in saws by way of the construction of beveled edged teeth with concave sides.
Date: April 26, 1870
Creator: Littlepage, C. V.
Partner: UNT Libraries Government Documents Department

Improvement in Furnaces.

Description: Patent for improvements in furnaces, using steam to create heat. It includes a description and illustration.
Date: April 12, 1870
Creator: Morris, Joseph R.
Partner: UNT Libraries Government Documents Department
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