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The New Tower Bridge, London

Improved Regenerative Gas Furnace

Stern Wheel Steamer

Sibley College Lectures.–X

By the Cornell University Non-Resident Lecturers in Mechanical Engineering

By E. D. Leavitt

Oliver Evans and his Inventions

By Coleman Sellers

The Transformation of Heat into Electrical Energy with Batteries, Thermopiles, and Dynamo Machines

An Electric Light Fire-Damp Indicator

The Edelmann Voltameters and Amperemeters

A New Damping Apparatus

Electro-Magnetic Rotation of Unpolarized Light

By L. Sohncke

An Electric Fuse

Voltaic Cell with a Solid Electrolyte

By Shelford Bidwell

The Propulsion of Electric Pendula

By P. H. Vander Weyde

Secondary Electrolysis

By E. Semmola

Cardiac Pulmonic Balance.—A Clinical Study

By Benjamin Ward Richardson

Delmas' Hot Air Burner

On a Hyperbolagraph

By H. H. Cunnynghame


Effect of Chloride of Iron on the Teeth.—An Experimental Study

By George W. Weld

Water and Carbonic Acid from Space

A Waterspout in the Roadstead of Toulon

The Philadelphia Electric Railway


  • Departments

    Patents - July 31, 1886

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