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SA Supplements Vol 57 Issue 1486supp

SA Supplements

Volume 57, Issue 1486supp

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Features

Typical Automatic Weighing Machines

Emile Guarini

Advantages of Gas and Oil Engines for Marine Propulsion

John E. Thornycroft

Early Railway Traction

A Novel Four-Piece Mechanism

By the English Correspondent of the Scientific American

Two Early American Letters on Electricity

The Telefunken Ondometer for the Measurement of Wireless Telegraphy Waves

By Our Brussels Correspondent

The Influence of Pasteur on Medical Science

C. A. Herter

Reducing the Candle-Power of Gas

Preliminary Report on an Archeological Trip to the West Indies

Stone Amulets

Walrter Fewkes

Science Notes

Trade Notes and Recipes

Trade Suggestions from United States Consuls

Beating Gold Leaf

Lace Industry of France

Selected Formula

Patents!

The Scientific American Supplement. Index for Vol.57

Departments

Correspondence - June 25, 1904