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Reindeer Proǵress in Alaska

What the Government is Doing for the Industrial Education of the Eskimo

By Walter L. Beasly

The Marine Steam-Turbine from 1894 to 1910.—II

By Charles A. Parsons

Automatic Telephone Exchanǵe Systems—I

A Survey of the Present State of the Art

By W. Aitken

Aerial Enǵineerinǵ

Provisions at Home and Abroad for its Scientific Study

By A. Lawrence Rotch

The Automobile of the Air

Oxyǵen Gas in the Arts and Industries

By Au*amp*gacute;ust S. Neumark

American Association for the Advancement of Science

The Recent Washington Meeting

By William Henry Hale

Scientific Papers

Insects which Devour Metal

New Successes in Lonǵ Distance Transmission of Photoǵraphs

An Improved Method of Chippinǵ Trees in Turpentine Orchards

Professors and Practical Men

“The Essence of University Finance is Collective Investment”

The Adherence of Flat Surfaces

Atmospheric Pressure Accounts Only for a Small Fraction of the Adhesive Force

International Commission on the Cost of Livinǵ

A Movement of World-Wide Scope and Importance

The Perpetual Calendar-Its Reproduction as a Lost Art

By L. J. Heatwole

Knots and Splices

Science Notes

Trade Notes

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    January 13, 1912

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