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Features

A Simple Single-Acting Steam Engine

Goubet's Sleeve Coupling

Compressing Air

By John Sturgeon

Mechanical Refrigeration

By J. K. Kilbourn

Smith's Two-Ton Anchor

Seamless Tubing

Simple Holtz Machine and Experiments in Static Electricity

By George M. Hopkins

Chemical Energy and Electromotive Force of Different Galvanic Combinations

By Julius Thomsen

Temperature of the Electric Light

By Fr. Rosetti

Physics without Apparatus

The Past in the Present

John Gould, F.R.S.

Behring Strait

Hiddenite, an Emerald-Green Variety of Spodumene

By J. Lawrence Smith

Dwarf and Monstrous Trees in China and Japan

The Banyan Tree

Cultivation of Caoutchouc Trees in India

The Cultivation of Celery

Plant Labels

Nitrogen. Symbol N. Combining Weight, 14

By T. A. Pooley

Vitality of Carbuncular Germs

By M. Pasteur

The Chemistry of Building Materials

Glycerine Barometers

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May 07, 1881

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