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Features

Improved Yacht Engines

What is Friction?

Continuous Wire Saw

On the Economic Applications of Seaweed

Seaweed as Food

By Edward C. C. Stanford

How to make Photographs on Ivorine

Improved Screw Rolling Press

Dynamometer Brake

Boulier's Universal Pyrometer

Air-Filter for Wine Casks

The Manufacture of Soda by the Ammonia Process

By Julius Koebig

Ducousso's Telephone

Series of Organic Substances

By Otto Schnurrer

Lalande and Chaperon's Oxide of Copper Battery

Gold Chlorination in California

By F. D. Browning

Scarlet Fever in Norway

A Ramrod in the Brain.—Recovery

Mobility of the Brain

How to Lay a Drain

By J. M. Allen

The Derby

Ornamental Grasses

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    July 12, 1884

    Help Us Reforest the Mississippi River Valley