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SA Supplements Vol 55 Issue 1426supp

SA Supplements

Volume 55, Issue 1426supp

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Features

The Viaduct at Fort Dodge, Iowa

Bruno Schroeder

Lignite, Peat, and Coal-Dust Fuel

The Value of Rational Methods in Coke Production

The Development of Marconi's System of Wireless Telegraphy

Emile Guarini

Electric Trains for London Railway

Industrial Trusts

W. Smart

Lacquer: Its Preparation and Use

Randolph I. Geare

Practical Air-Brake Instruction for Railroad Men

Hydrocyanic-Acid Gas against Household Insects

L. O. Howard

Cosmic Evolution

A. W. Bickerton

Milne's Seismological Observations and Earth Physics

Recent Studies in Gravitation

John H. Poynting

Voyages of the Ice-Breaker “Ermack”

Trade Suggestions from United States Consuls

Selected Formulæ

Patents!