Volume 6, Issue 16
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Features
Notes on Military and Naval Affairs
Polytechnic Association of the American Institute
Surface Condensers for Steam Engines
Professor Rankine on Steam Expansion and the American Experiments
Flax and Cotton Machinery
What Can be Done for Inventors--Advice Gratis and Advice for Pay
Ingenious Plan for Corresponding in Cipher
Steam Engines on Common Roads and for Plowing
The New Cunard Steamer China--American Condensers
Progress of American Inventions Abroad
Recent American Inventions
Patent Claims
Issued from the United States Patent Office