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Industrial Automobiles

By A. Frederick Collins

Suggestions for Steam Economy

By William McKay

Cavendish: Man Who Weighed the World

A Lighthouse of Reinforced Concrete

Completion of Twin Tunnels under the Hudson River


By William Crookes

Contemporary Electrical Science

Lignite Producer-Gas Plants

By Alfred Gradenwitz

The Classification and Peculiarities of Steam Turbines

Page-Printing Telegraphs

By Donald Murray

Three Kinds of Headaches


The Chronometric Sphygmograph

By Emile Guarini

How to Read Wild Life

Aluminium Alloys

Engineering Notes

Trade Notes and Recipes

Electrical Notes


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October 14, 1905

Complex Causes. Alternative Solutions.