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SA Supplements Vol 57 Issue 1475supp

SA Supplements

Volume 57, Issue 1475supp

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Features

The Smithsonian Exhibits for the St. Louis Exposition

Randolph I. Geare

The Motor Truck Problem

Radium.—I

Present State of the Sulphuric Acid Industry in Europe

G. Lunge

Improvement in Yarn Manufacture

Methods of Collecting Anthropological Material

Harlan I. Smith

A Chat about Spoons

The Business Opportunities of Cuba

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

Electricity vs. Mule Power on Canals

H. M. Riseley

An Automobile Sled

Oil Shells

The Scherzer Rolling-Lift Bridge

The Origin of Pearls

Engineering Notes

Electrical Notes

Exploring Weddell Sea

Trade Suggestions from United States Consuls

Patents!

Trade Notes and Recipes

Departments

Correspondence - April 9, 1904