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Pasadena's Beautiful Bridge

Gracefulness of Line Achieved in a Work of Utility

Flying in Fog and at Night, To Our Subscribers and more

By C. Dienstbach

The Enlargement of Sculpture

The Pointing Machine with which the Sculpture at the Panama-Pacific Exposition is being Enlarged under the Direction of the Inventor of the Apparatus

By Jay Hollingsworth

California Asphaltum Deposits and Method of Mining

By Elizabeth A. Ward

Automatic Wireless Train Control, Hamburg University Extended for Science

By F. C. Coleman

The Origin and Evolution of Man

Recent Views Suggested by the Discovery of the Piltdown Skull

By J. Leon Williams

Wireless for Railroad Trains

A New System which Secures Uninterrupted Communication at all Times

The Panama-Pacific International Exposition of 1915

Description of the Exposition Site, the Main Courts and the Great Exhibit Palaces

By Hamilton M. Wright

Future Prices of Commodities and Materials, A Dished Disk Stabilizer and more

Formerly Chief of Bureau of Commerce and Navigation, United States Treasury

By Alex. Del Mar

A Gasoline Motor Plow, A Three-Axle Water Ballast Motor Roller and more

By Frank C. Perkins

Oilcloth and Linoleum Industry


  • Letters

    Correspondence - December 8, 1913

  • Departments

    Inventions New and Interesting - December 6, 1913

  • Recently Patented Inventions - December 6, 1913

  • Notes and Queries - December 6, 1913

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