SA Supplements

May 1881

Volume 11, Issue 279supp

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Features

A Simple Single-Acting Steam Engine

Goubet's Sleeve Coupling

Compressing Air

John Sturgeon

Smith's Two-Ton Anchor

Mechanical Refrigeration

J. K. Kilbourn

Seamless Tubing

Simple Holtz Machine and Experiments in Static Electricity

George M. Hopkins

Temperature of the Electric Light

Fr. Rosetti

Chemical Energy and Electromotive Force of Different Galvanic Combinations

Julius Thomsen

Physics without Apparatus

The Past in the Present

John Gould, F.R.S.

Behring Strait

Hiddenite, an Emerald-Green Variety of Spodumene

J. Lawrence Smith

The Banyan Tree

Dwarf and Monstrous Trees in China and Japan

The Cultivation of Celery

Plant Labels

Cultivation of Caoutchouc Trees in India

Vitality of Carbuncular Germs

M. Pasteur

The Chemistry of Building Materials

Nitrogen. Symbol N. Combining Weight, 14

T. A. Pooley