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Features

Modern Coal-Hoisting Apparatus

By Frank C. Perkins

The Railroads of the World

Some Experiments on an Air-Cooled Petrol Motor

By H. L. Callendar

The Fallacy of the Tests Ordinarily Applied to Portland Cement

Striking Objects Found at Carthage

By the Paris Correspondent of the Scientific American

Extraordinary Phenomena of N-Rays

Results of Borax Experiments

By H. W. Wiley

The Electro-Metallurgy of Iron and Steel

By Emile Guarini

Racing Automobiles in the 1904 Gordon Bennett Cup Race.—II

By the Paris Correspondent of the Scientific American

Lake Baikal War Traffic

The use of Electric Chamber Locomotives

Contemporary Electrical Science

Mileage and Capitalization of Railroads

Equipment of Railroads

Electrical Notes

Science Notes

Engineering Notes

Patents!

Trade Notes and Recipes

Departments

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    July 30, 1904

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