Volume 5, Issue 18
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Features
Notes on Military and Naval Affairs
Chemistry of Iron
Armstrong Guns and Smooth Bores
Preparations for Flax Culture
Fifteen Thousand Patents Secured through Our Agency
Criticism on the Erie Experiments in Working Steam
Sulphite of Lime in Cider
Convenient Device for Articles of Jewelry
History and Art of Bleaching
Soldering Iron Heated with Gas
Recent American Inventions
Patent Claims - November 2, 1861
Issued from the United States Patent Office