Scientific American Magazine Vol 112 Issue 25

Scientific American Magazine

Volume 112, Issue 25

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Features

Running Railroads by Water Power

Thomas F. Logan

Hunting for Derelict Ships

The Difficult Work of Clearing the Seas

Photographing Speech

Some Recent Investigations by Dr. Marage

Jacques Boyer

The Strategic Moves of the War

Italy on a War Footing

Military Strength of the New Ally

A Novel Dissolving Picture-Projecting Apparatus

Robert G. Skerrett

Research and Industry

Departments

Inventions New and Interesting - June 19, 1915

Recently Patented Inventions - June 19, 1915