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What Can be Done for Inventors--Advice Gratis and Advice for Pay
To Our Readers
The New Cunard Steamer China--American Condensers
Surface Condensers for Steam Engines
Recent American Inventions
Rebel Obstructions in the Neuse River--Plan of the Battle Ground in the Vicinity of Newbern
Progress of American Inventions Abroad
Professor Rankine on Steam Expansion and the American Experiments
Polytechnic Association of the American Institute
Issued from the United States Patent Office
Notes on Military and Naval Affairs
Ingenious Plan for Corresponding in Cipher
Improvement in Casting Bronze Ordnance or Other Articles
Flax and Cotton Machinery
Steam Engines on Common Roads and for Plowing
Notes and Queries
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