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Features

The New Dusseldorf Bridge Over the Rhine

Coast-Telegraphs and Space Telegraphy

Some New Mechanical Toys

Boring, Threading, and Countersinking Machine

A New Way of Constructing Steam Boiler Furnaces

The Paris Metropolitan Underground Railroad

Suppression of Smoke

Vertical Compound Engine

Old Time Sugar making in Louisiana

By H. S. Maring

Selected Formulæ

Engineering Notes

Miscellaneous Notes

The Paris Cycle and Automobile Exhibition

Sleep, and what it does for us

A New Flying-Machine

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

Departments

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February 11, 1899

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