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A Difficult Railroad Transportation Feat

By the English Correspondent of Scientific American

Internal-Combustion Motors

By Dugald Clerk

Roller Bearings for Street Cars

The Æesthetic versus the Economic Value of Niagara Falls

Interesting Experiments with a Carbureter which has no Float, Needle Valve, or Spraying Nozzle

Grains used for Breakfast Foods

Properties of Gun-Cotton

Alcohol from Sawdust

By Our Berlin Correspondent

Liquid versus Coal Fuel

By W. N. Best

Influence of Light and Heat on Germination.—II

By Cleveland Abbe


By L. G. Seurat

Details Entering into the Calculation and Construction of Wellman's Polar Airship

A 120,000-Period Alternator

By Emile Guarini

The Economic Value of New Game for Islands

By D. W. Prowse

Pyro-And Piezo-Electricity

Electrical Notes

Science Notes

Engineering Notes


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