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Features

The Naval Reserve Movement, Morse Signals from London to New York and more

Keeping Books by Machine

The Punched Card as a Saver of Brain Energy

By H. S. McCormack

Creating a Subterranean River Ninety Miles in Length

How Catskill Water is Being Brought to New York

Supplying a Metropolis with Mountain Water

How Mining Operations Are Being Carried on Through the Heart of New York

Queer Automobile Bodies

Some Interesting French Designs

Friedmann's New Tuberculosis Remedy, The New York Motor Boat Show and more*

By H. J. Archard

Departments

  • Letters

    Correspondence - March 1, 1913

  • Departments

    The Heavens in March 1913

  • Recently Patented Inventions - March 1, 1913

  • Notes and Queries - March 1, 1913

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March 01, 1913

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