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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

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

The Æesthetic versus the Economic Value of Niagara Falls

Properties of Gun-Cotton

Grains used for Breakfast Foods

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

Pearls

By L. G. Seurat

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

A 120,000-Period Alternator

By Emile Guarini

Pyro-And Piezo-Electricity

The Economic Value of New Game for Islands

By D. W. Prowse

Science Notes

Electrical Notes

Engineering Notes

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    July 07, 1906

    Think Outside the Gift Box