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Features

The International Exhibition of 1876

Tests of Turbine Water Wheels

A Fly-Wheel Meteorite

Punching and Shearing Machine

The Austrian Arsenal at Pola

Recent Artillery and Engineering Experiments

Krupp's Panzerkanone, or Masked Gun

The Thirty-Eight Ton Gun—Its Remarkable Force

The Great Suspension Bridge

Brown Brothers' Portable Steam Crane

Petroleum

West's Six-Cylindered Steam Engine

Thermometers

By R. J. Mann

E. Kaselowsky's Firebox

French Academy of Sciences

New Process for Titrating Astringent Substances

By M. Ferdinand Jean

The Chemistry of Coal

From a recent lecture by Dr.Frankland, F. R. S.

By Frankland

Applications of Eosine

Clarified Honey

Dangerous Candy

By H. G. Debrunner

Influence of Different Colors upon Vegetation

By M. Paul Bert

On Aniline Black

By M. R. Nietzky

Useful Receipts

Vanadium Aniline Black

Poisonous Wells

Rosolic Acid

By C. Liebermann and F. Schwarzer

Proffessor Tyndall's Motes

Remedies against Worms and Insects

English Three-Furrow Plows

Fertilizing Influence of Snow

New Grain Crusher

Ice House and Cold Rooms

The Catalpa Tree

A Russian Wolf Trap

Keeping Cider and Apples

New Flexible Harrow

The Absorption of Organic Matter by Plants

The Ascent of Takhoma

Discovery of Caverns Within the Crater of the Volcano.

British Patents

Project of a Great Aquarium

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    February 17, 1877

    Beyond XX and XY

    Biology. Identity. Equality.