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Features

The Tunneling and Blasting Operations at Hell Gate, East River New York

Notes on Flying and Flying Machines

Manufacture of Artificial Stone for the Carthagena Breakwater

Charles Babbage

The Application of Mechanics and Mechanical Principles in Agricultural Operations

Maine's Portable Window Ventilator

Machine for Rolling Tapered Bars

Subterranean Explorations

Latent Heat of Liquids

By P. H. Vander Weyde

Wendell's Combined Door Buffer and Door Fastener

The Great Exhibition at Vienna, 1873

Lyceum of Natural History--Discussion on Milk and Disinfectants

Close of the Twenty-Sixth Year of the Scientific American

The Mysteries of Flight

Science Record for 1872

Applications for Extension of Patents- December 23, 1871

To City Subscribers

Timely Suggestions- December 23, 1871

Official List of Patents- December 23, 1871

Answers to Correspondents- December 23, 1871

Departments

  • Letters

    Correspondence- December 23, 1871

  • Departments

    Business and Personal- December 23, 1871

  • Index- December 23, 1871

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December 23, 1871

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