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Successful Trial of the New Daft Electric Locomotive on the Elevated Railway, New York

The Storage of Electricity

An Electric Omnibps

Edison's Magnetic Ore Separator

Electric Tree Felling Machine

Sibley College Lectures.-1888-89

by the cornell university non-resident LECturers in mechanical engineering. II.—The Governing Proportions of Steam Boilers

By Chas. E. Emery

The Nicaragua Canal

By H. C. Taylor

A Noiseless and Smokeless Locomotive

The U. S. Gunboat Yorktown

The Use of Roburite in Mines

By James Hilton

Oil Vs. Coal for Burning Brick

The Poetsch Freezing Process in America

The Poison of Typhoid Fever

By Cyrus Edson

New Method of Determining Carbonic acid in Solution

By Leo Vignon

Chloride of Methyl Spray In Neuralgia

Action of Soda and Various Acids on Cotton

Alysis of Oyster Shells and Oyster Shell Lime

By L. P. Brown and J. S. H. Koiner

Light and Color

By W.De W. Abney

Sulphureted Hydrogen Apparatus

The Beetle, Zopherus Mexicanus, Sol., Cutting Metal

By F. W. Devoe

Sketches of the Cascade Mountains if Oregon

By E. D. Cope.

Building Plans and Specifications

Useful Engineering Books

Headache from Eye Strain

Departments

  • Departments

    Patents- March 2, 1889

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March 02, 1889

Beyond XX and XY

Beyond XX and XY

Biology. Identity. Equality.