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Recent Developments in Motor Coaches upon British Railroads

By the English Correspondent of Scientific American

An Improved Method of Packing the Cylinder Head of a Gasoline Engine

The Tolli Spring Governor

By Emile Guarini

Zoelly Explosion Gas Turbine

An American Phonetic Laboratory in Germany

By Hugo Frhrn. Vom Hagen

Metals in the Atmosphere

By Alfred Ditte

Venom in Reptiles' Eggs

The Demagnetization of Watches

By George M. Hopkins

The Production of Petroleum in 1904

A Motor Paddlewheel for Small Boats

A Glass of Madeira

By F. G. Aflalo

A Thermostat for Amateurs

By Edward F. Chandler

Experiment with Electric Spark

Imaginings in a Mountain Observatory

Alterno-Rotative Gasoline Motor

By the Paris Correspondent of Scientific American

Mortars and Cements

By Brysson Cunningham

Chemical Effects of the X-Rays

Metallic Paper

Trade Notes and Formulæ

Electrical Notes

Engineering Notes

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    December 02, 1905

    Think Outside the Gift Box