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SA Supplements Vol 54 Issue 1398supp

SA Supplements

Volume 54, Issue 1398supp

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Features

Electric Power Installation near Butte, Montana

Electrolytic Manufacture of Zinc

Liquid Fuel for Steamships

Edwin L. Orde

The Chemical Factor in Human Progress

Peter T. Austen

A Parisian Puppet Theater

The Protected Cruiser “Des Moines.”

Dredging for Gold

History of Cold and the Absolute Zero

James Dewar

An Evil Consequence of the “Pince-Nez.”

Man as a Heat Engine

K. Schreber

French Infant Mortality

Volcanoes

The Spider-Hunters

A New Telephone Relay

Personal Narrative by Capt. Sverdrup of his Arctic Trip

Selected Formulæ

Trade Suggestions from United States Consuls

Patents!