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The Smithsonian Exhibits for the St. Louis Exposition

By Randolph I. Geare

The Motor Truck Problem


Present State of the Sulphuric Acid Industry in Europe

By G. Lunge

Improvement in Yarn Manufacture

Methods of Collecting Anthropological Material

By Harlan I. Smith

A Chat about Spoons

The Business Opportunities of Cuba

By Frederic M. Noa

The First Electric Trunk Railroad in Great Britain

By the English Correspondent of the Scientific american

Electrolytic Refining of Lead

Contemporary Electrical Science

On the Magneto-Elastic Detector

An Automobile Sled

Electricity vs. Mule Power on Canals

By H. M. Riseley

The Scherzer Rolling-Lift Bridge

Oil Shells

Exploring Weddell Sea

Electrical Notes

Engineering Notes

The Origin of Pearls

Trade Suggestions from United States Consuls

Trade Notes and Recipes



  • Departments

    Correspondence - April 9, 1904

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