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Features

The Insurrection in Crete

Playfulness of Young Tigers

The Catacombs of Paris

Story of a Celestial Wanderer

The Problem of Instinct

By Alfred R. Wallace

Tetra-Nitro-Cellulose—A New Explosive

By H. N. Warren

The Bacteriology of Milk

A Single Rail Railway

Watt and the Measurement of Power

By William Henry Preece

Rotary Pumps and Engines: Their Origin and Later Development

Gas and Gasoline Motors

A Convenient Reading Table for Students

The History of the Mirror

Positions of the Magnetic Poles

Technical Education in Europe

By C. P. Brooks

Electrical Notes

Engineering Notes

Miscellaneous Notes

Selected Formulæ

Departments

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April 03, 1897

Think Outside the Gift Box