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Features

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

Banking

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

Semisteel

New Color--Indian Red, the British Reviews

Hostetter's Bagholder and Conveyer

Prospectus of the Scientific American

Departments

  • Letters

    Our Correspondence- March 16, 1861

  • Departments

    Notes and Queries - March 16, 1861

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