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Scientific American Magazine Vol 21 Issue 16

Scientific American Magazine

Volume 21, Issue 16

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Features

Address of the Hon. S. S. Fisher, U. S. Commissioner of Patents Before the American Institute

Roquefort Cheese

Spontaneous Ignition in Woolen Mills

Siemens on Patents

Mack's Improved Feed-Water Heater

The August Meteors

From the Spectator

The Manufacture of Sulphuric Acid

J. Lawrence Smith

Determination of the Amount of Expansion of Mineral Oils

Vander Weyde

The Drive Well

Demuth's Improvement in Glass Window Lights

Andrews' Patent Saw Hangings and Saws

The Hydrostatic Paradox

The Exhibition of the American Institute

The Wandering of Phosphorus in Plants

Return of C. F. Hall, The Arctic Explorer

Annual Report of the President of the Western Union Telegraph Company

The Natural Advantages of Tennessee for the Production of Iron

The Torpedo Patent Case

Applications for Extension of Patents

How to File and Set a Saw

Recent American and Foreign Patents

Official List of Patents

Departments

Correspondence

Business and Personal