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Lake Nicaragua

St. Louis Pacific Railroad

Mobile and Ohio Railroad

Improvement in Water Wheels—Fig 1

Cure for Stammering

Cotton Factory in Albany

Townsley's Water-Proof Blacking

Correspondence of the Scientific American

A Paper Devourer



Steam Boilers

Keep This In Mind

Works on Science and Art

Woodworth Patent—Important Decision

Mississippi Wine

Ancient Britons

Medical Use of Salt

Amount of Conversation Calculated

The Climate of Georgia

To Prevent Explosions

Music in Man

Franklinite Iron and Zinc

The Electric Light, &C


New Lamp for Locomotives

A New Description of Steam Vessels

Cast and Wrought Iron Rails

Improved Machine for Tinsmiths, for Turning—Fig 1

To Clean Straw Hats

Our Half Volume

Trouble about Patent Laws and Patents

Reform of the Patent Laws

List of Patent Claims

Grafting Grape Vines

Tanning—Practical Remarks

To Inventors and Mechanics


History of Propellers and Steam Navigation

Cure for Colds


  • From the Editor

    To Correspondents

  • Recommended


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