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Features

Improved Transmitting Gear for Variable Velocities

Suppression of the Dead Center in Crank Shafts

Gas Burners

By William Sugg

Martin & Du Tremblay's Vacuum Brake

A New Mining Tunnel

Country House, Costing $1,750 to $2,000

By C. R. Crabb

The New German Hospital, San Francisco, Cal

How to Remove Old Paint

Spontaneous Galvanization

Roller Frame for Photographic Printing

Magic Photographs Developed by Tobacco Smoke

Ivory

By P. L. Simmonds

The Petroleum Wells of Transcaucasia

Spices of the Straits Settlements

The Age of Electricity

By S. P. Thompson

Union of the Three Americas by Telegraph

Electric Compensator Applied to the Prony Brake

Improved Induction Electrical Machine

Electro-Magnetism as a Prime Mover

Venus nearing Transit

Public Health

Lighting by Benzine

New Test for Albumen

By WM. Roberts

Malt Cake

The Ink-Bag of the Cephalopoda.

The Present Condition of Ephesus

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    Scientific American Supplements Volume 14, Issue 359supp

    Think Outside the Gift Box