The Tactical Value of Torpedo Craft

Accuracy and Uniformity in Electrical Standards

Science

Electricity

Engineering

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

The Menace of the Forest Fire

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

Plow for Turning the Surface Soil Under the Subsoil

Collapsible Step-Ladder

Combined Poncho and Tent

Patent Department

Brake for Bob Sleds

Waterproof Fuse Cap

Novel Type of Plow

Oddities in Invention