Scientific American Magazine Vol 98 Issue 25

Scientific American Magazine

Volume 98, Issue 25

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Features

The Double-Flow Turbine

Improvement of New Jersey-New York Suburban Service--I

Congress Increases Patent Office Salaries

Government Tests of Railway Safety Devices

The Cost of Government

A New Balloon Material

The Autogenous Soldering of Aluminium in Aeronautic Construction

The Current Supplement

Training in the Navy

John R. Cox

New Electrical Apparatus of the United States Signal Corps

C. H. Claudy

The Motor-Boat Race to Bermuda

Farman's Aeroplane Flights in Belgium

A German Compass-Testing Station

By The Berlin Correspondent of the Scientific American

Making Casts in Gelatin Molds

W. Frank M'Clure

A Remarkable Mountain Railway

Alfred Gradenwitz

Pipe and Rod Lifting Tongs

An Improved Dabbing Brush

Bracket Hose Reel

An Aero Tube Flying Machine

Saw Swage

Departments

Index of Inventions

Recently Patented Inventions

Patents