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SA Supplements Vol 53 Issue 1379supp

SA Supplements

Volume 53, Issue 1379supp

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Features

The Power Plants of the Pacific Coast

F. A. C. Perrine

Problems of Electric Railways

Constant-Current Rapid Urban Train

J. Swinburne, W. R. Cooper

A Study of Growing Crystals by Instantaneous Photomicrography

Theodore William Richards, Ebenezer Henry Archibald

On the Radio-Activity of Matter

Henri Becquerel

A Balloon Trip over the Alps

New French Dredges

A Marvelous Clock

Photographic Plates

Recent Scientific Developments and the Future of Naval Warfare

William Laird Clowes

Torpedo Boat Destroyers

S. W. Barnaby

Commerce between the United States and Porto Rico

Motocycles in 1902

A New Shaving Paste

The Artificial Production of Precious Metals

Dublin's New Central Station and Fire Escape

Scales of Denominate Units

Kelly Miller

Roentgen Rays in Diagnosis

Trade Suggestions from United States Consuls

Patents!

Selected Formulæ