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Features

Science Notes - May 20, 1905

The Hydraulic Power Works on the River Glommen, Norway

By the English Correspondent of Scientific American

The Man and the Ship

By George W. Dickie

The Law of Deodand

The Massie Wireless Telegraph System

By A. Frederick Collins

Photographic Chemistry

Decorative Insulating Beads for Uninsulated Electric Light Wires

The Cement Industry

By Frederick W. Huber

A New Form of Friction Clutch

By Emile Guarini

A Salt-Bath Furnace for Steel Hardening

By the English Correspondent of Scientific American

The Present Status of Electric Furnace Working

By Charles F. Burgess

The Chemical Fertilization of Sea-Urchins' Eggs

By Jacques Loeb

African Pygmies

Microphotograph of Fossil Coal

Oxy-Acetylene Lamp

By the Paris Correspondent of Scientific American

Radium Testing

By F. H. Glew

The Enemies of Ants

The Variability of Modern and Ancient Peoples

Copper as an Algicide and Disinfectant in Water Supplies

By Karl F. Kellerman

Contemporary Electrical Science

Trade Notes and Recipes

Engineering Notes

Patents!

Departments

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