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Features

Science Notes

Novelties at the Paris Automobile Show

A Direct Spur-Gear Drive for Motor Bicycles

Efficiencies

By James Swinburne

Statistics Regarding Automobile Construction Obtained at the Recent Paris Show

Magnetic Alloys

A Barge Fitted with a Suction Gas-Producer Plant

Armored Concrete.—IV

Theory of armored concrete beams

By Henry J. Jones

The Problem of the Gas Turbine

The Human Body as a Chemical Factory

A New Stenographic Machine

Liquid Fuel for Naval and Marine Uses

By George Melville

An Experimental Geological Collection

The Bee Louse

The Habits and Life History of a Social Spider (Stegodyphus Sarasinorum Karsch)

By N. S. Jambunathan

Artificial Limbs in Antiquity

Contemporary Electrical Science

Engineering Notes

Electrical Notes

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    Dwindling Supply. Increasing Demand.

    Dwindling Supply. Increasing Demand.

    Solving the Water Crisis