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Improved Superheater for Locomotives

Romance of the Steam Engine

American Naval Architecture

The Motions of the Fixed Stars

The Lime Light

Column of Varieties

Stetson's Improved Skate

Coal Oil Lamps—Improvements Wanted

War—Food for Reflection

New Patent Bill

Important to Inventors

American Engineers' Association

The Polytechnic Association of the American Institute

Patent Claims - March 2, 1861

Economizing the Heated Gases of Smelting Furnaces


  • Letters

    Our Correspondence - March 2, 1861

  • Departments

    Notes and Queries - March 2, 1861

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March 02, 1861

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