Scientific American Magazine Vol 96 Issue 25

Scientific American Magazine

Volume 96, Issue 25

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Features

Tinol

We Build a Locomotive on the Metric System

Brunel and the Seven-Foot Gage

How the Law May Prevent Railroad Accidents

Another Long-Distance Transmission in California

A Telephone Newspaper

W. G. Fitz-Gerald

Result of the Motor Boat Race to Bermuda

Automobile Races and Record Runs

The Government Tests of Submarines

The Wellman Polar Airship Expedition

By the Paris Correspondent of the Scientific American

Double-Deck Streets as a Relief for Traffic Congestion

The Art and Craft of the Medalist

Victor D. Brenner

Mechanical Masterpieces of the Eighteenth Century

Alfred Gradenwitz

An Artificial Respirator

John W. Hall

Do Animals Reason?

L. A. Camacho

Novel Safety Razor

Spark-Producing Mechanism for Explosion Engines

A Novel Pneumatic Massage Machine

An Improved Clothes Line Hanger

Departments

Correspondence

Recently Patented Inventions

Notes and Queries

Index of Inventions

New Books, Etc.

Patents