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Features

Improved Camp Chest, Resistance of Cast Iron to Internal Pressure

The War

Church Organs

Sir Peter Fairbairns' Patent

Recent American Inventions

American Fire Engines for Europe

The Monster Cannons of America and England

The Great Defeat

National Encouragement to the Novelties of Inventors

Iron Clad Ships of War in Congress

Hydrogen Gas as a Fuel for Domestic Purposes

Ventilation in Health and Sickness—Hospitals

Welding Steel Cold

Poison by Lead Pipes

Does Throwing Water on Fire Increase the Heat

Steamship Propulsion

Patent Claims - August 3, 1861

Instructions about European Patents

To Our Readers

Fairbairn's Improvement in Rollers for Preparing Flax

Old Chinese Wrought-Iron Breech Loading Cannon

Departments

  • Letters

    Correspondence - August 3, 1861

  • Departments

    Notes and Queries - August 3, 1861

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August 03, 1861

See the World from a Different Perspective

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