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Features

Acetylene Lamps and Smoky Automobiles

The New York High-Pressure Fire Protection System

The Comparative Trials of Our Scout Cruisers

“Gluten” Bread and Cracker Frauds

By Charles Christadoro

Rubber Statistics of 1907

A Reinforced Concrete Elevated Tank

New Process for Making Shoes

By The Paris Correspondent of the Scientific American

An Automatic Milk Supply

By Our English Correspondent

An Observatory for Public Use

By Our Paris Correspondent

Some Experiments with Carbon Disulphide

By Gustave Michaud

Curious Facts about Numbers

Joining of Last Span of Blackwell's Island Bridge

How to Construct a Balloon.--The Making, Inflating and Sailing of Gas Balloons

By B. Courtright, Aeronaut; Member Aero Society of Great Britain

The Ever-Shifting Eyeball.--Some New Experiments and Some New Conclusions

By J. F. Springer

New Types of Lifebelts

By Our English Correspondent

Departments

  • Departments

    The Heavens in April

  • Notes and Queries - March 28, 1908

  • Recently Patented Inventions - March 28, 1908

  • Index of Inventions - March 28, 1908

  • New Books, Etc. - March 28, 1908

  • Patents - March 28, 1908

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March 28, 1908

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