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Features

The New Dusseldorf Bridge Over the Rhine

Coast-Telegraphs and Space Telegraphy

Some New Mechanical Toys

A New Way of Constructing Steam Boiler Furnaces

Boring, Threading, and Countersinking Machine

Suppression of Smoke

Vertical Compound Engine

The Paris Metropolitan Underground Railroad

Old Time Sugar making in Louisiana

By H. S. Maring

Engineering Notes

Selected Formulæ

Miscellaneous Notes

The Paris Cycle and Automobile Exhibition

A New Flying-Machine

Sleep, and what it does for us

The Ethics of the Babylonians and Assyrians

The Evolution of a Strawberry

By L. H. Bailey

Myrmecophilous Plants

Acetylene

By Vivian B. Lewes

Typewriter Ribbons

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February 11, 1899

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