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Improved Air Engine

The Chemical History of a Candle

Romance of the Steam Engine

Column of Varieties

Steam on Canals

The New Commissioner of Patents

American Engineers Association

California Waking Up to Inventions


The Polytechnic Association of the American Institute

Patent Claims - March 16, 1861

The Great American and Foreign Patent Agency

Rates of Advertising


Hostetter's Bagholder and Conveyer

New Color--Indian Red, the British Reviews

Prospectus of the Scientific American


  • Letters

    Our Correspondence- March 16, 1861

  • Departments

    Notes and Queries - March 16, 1861

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March 16, 1861