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Improvements in Electric Foot Warmers.
Patent for adjustments in the mechanics of electric foot warmers.
Date:
May 17, 1870
Creator:
Littlepage, Caleb
System:
The Portal to Texas History
Improvement in Pitmen.
Patent for "a new and and useful Improvment in Crank and Pitman;" (lines 3-5) including instructions and illustrations.
Date:
May 17, 1870
Creator:
Kealy, Thomas
System:
The Portal to Texas History