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Features

The Bouvet and her Ninety-Nine Thousand Pound Gun

Twenty-Five Ton Portable Self-Propelling Steam Cranes at South Shields

A Presidential Car

A Railway Hospital Car

The Greatest Steamer in the World

Use of Compressed Air in Railroad Shops

Power Required for Electrically Operated Woodworking Machinery

Six-Pole Seven-Kilowatt Dynamo

Electrical Plant, London Central Railway

Suburban Railway Stations

Areas of Disease

Joux's Photographic Amplifier

Some Novel uses for Artificial Refrigeration

Wire Buildings for Telephones

By Herbert Laws Webb

Selected Formulæ

Miscellaneous Notes

Electrical Notes

The Propagation and Distribution of Food Fishes

Living Barometers

Bivalves and Tooth Shells

A New Classification of Stellar Spectra

The Relation of Hypnotism to the Subconscious Mind

By George E. Bill

Modern Losses in Battle

The Pirates of Morocco

The Significance of Holes in Archæology

Smith's Improved Method of Grafting

Glaciers

Patents!

The Klondike Gold Fields

Departments

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