Scientific American Magazine Vol 25 Issue 26

Scientific American Magazine

Volume 25, Issue 26

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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

Machine for Rolling Tapered Bars

Maine's Portable Window Ventilator

Latent Heat of Liquids

P. H. Vander Weyde

Subterranean Explorations

Wendell's Combined Door Buffer and Door Fastener

The Great Exhibition at Vienna, 1873

Lyceum of Natural History--Discussion on Milk and Disinfectants

The Mysteries of Flight

Close of the Twenty-Sixth Year of the Scientific American

Science Record for 1872

To City Subscribers

Applications for Extension of Patents- December 23, 1871

Timely Suggestions- December 23, 1871

Answers to Correspondents- December 23, 1871

Official List of Patents- December 23, 1871

Departments

Correspondence- December 23, 1871

Business and Personal- December 23, 1871

Index- December 23, 1871