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Features

Retrospect of the Year 1912

A Parcels Post Tunnel Railway

Transporting Mail Automatically by a New System

Scientific Management for Scientists

"The Bridge." The Trust Idea Applied to Intellectual Production

By Wilhelm Ostwald

The Military Supremacy of the Air-II

By Theodore M. R. von Kler

The Modern Automobile Torpedo

The Story of a Great Invention

By Robert G. Skerrett

An Interesting Static Electric Motor

By H. B. Dailey

To Fill a Barometer Tube

By Henry H. Riggs

Power of a Microscope

By C. W. Nieman

How to Remove Black Paper Strips from a Film Back

By Stanley P. McMinn

An Electrical Method for Glass Cutting

By Philip Edelman

Progress of the Weather Bureau, The Respiration Calorimeter and more

Facing The Future Fearlessly

By Franklin O. King

Departments

  • Recommended

    New Books, Etc. - January 4, 1913

  • Departments

    Inventions New and Interesting - January 4, 1913

  • Recently Patented Inventions - January 4, 1913

  • Notes and Queries - January 4, 1913

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January 04, 1913

See the World from a Different Perspective

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