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Scientific American Magazine Vol 99 Issue 20

Scientific American Magazine

Volume 99, Issue 20

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Features

The Tactical Value of Torpedo Craft

Accuracy and Uniformity in Electrical Standards

Engineering

Science

Electricity

Successful Test of New York's High-Pressure Fire Service

Herbert T. Wade

The Menace of the Forest Fire

Day Allen Winley

The Launch of Our First "Dreadnought"

A Multiple Cycle for the Blind

By the English correspondent of the Scientific American

Action Aloft; or Fighting Tops, Past and Passing

The Aeronautic Society's First Exhibition

An Improved Winch

Patent Department

Combined Poncho and Tent

Collapsible Step-Ladder

Plow for Turning the Surface Soil Under the Subsoil

Brake for Bob Sleds

Novel Type of Plow

Oddities in Invention

Waterproof Fuse Cap

Departments

Notes and Queries

Recently Patented Inventions

New Books, Etc.

Index of Inventions