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Features

Pavements for City Streets

Perpetual Motion.—V

Carnot's Opinion of Perpetual Motion

Selected Formulæ

Should Generating Plant be Mounted on Springs?

By James Swinburne

Electrical Notes

Miscellaneous Notes

Engineering Notes

Experiences in the Arctic Seas

The “Heavy Weights” Competition of the Automobile Club

The Spread of Land Species by the Agency of Man; With Especial Reference to Insects

By Leland O. Howard

The British Association—Address in Anthropology

By W. Turner

Restoration of Kansas Mosasaurs

By S. W. Williston

Astronomical Work at Lick Observatory

By Edward S. Holden

Mummied Heads

The Patent System as a Factor in National Development

By William C. Dodge

Chemistry and Archæology

Physiological Effects of Mental Work

Patents!

Departments

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    October 09, 1897

    Think Outside the Gift Box