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SA Supplements Vol 51 Issue 1322supp

SA Supplements

Volume 51, Issue 1322supp

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Features

How Art is Applied to Industrial Training in Philadelphia

J. A. Stewart

American Engineering Progress

Further Remarks on the Armament of our New Armored Cruisers

The Improvement of the Southwest Pass

Screw Barges

Tunneling a Mountain for Water

Enos Brown

Behr's Mono-Railway

High-Potential Phenomena

A. P. Carmen

Induction Coils and Interrupters

Nut Cracking by Electricity

Mining Ancient River Channels in California

Enos Brown

The Mining Statistics of the World

The Orientation of Greek Temples

Military Bridges

Life in an Oasis

The European and Asiatic Faunas, and their Relations Past and Present with that of Africa

Sir Francis Barry's New Excavations of Brochs

The Mineral Constituents of Dust and Soot from Various Sources

Christmas Island

A General Survey of Foreign Trade

A Few Vaccination Statistics

The Sound Locator and Projector

Selected Formulæ

Transparency of Matter for X-Rays

Trade Suggestions from United States Consuls

Trade Notes and Receipts

patents!