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Rebel Obstructions in the Neuse River--Plan of the Battle Ground in the Vicinity of Newbern

Notes on Military and Naval Affairs

Polytechnic Association of the American Institute

Surface Condensers for Steam Engines

Flax and Cotton Machinery

Professor Rankine on Steam Expansion and the American Experiments

Ingenious Plan for Corresponding in Cipher

What Can be Done for Inventors--Advice Gratis and Advice for Pay

The New Cunard Steamer China--American Condensers

Steam Engines on Common Roads and for Plowing

Progress of American Inventions Abroad

Recent American Inventions

Patent Claims

Issued from the United States Patent Office

To Our Readers

Improvement in Casting Bronze Ordnance or Other Articles

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial