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Electric Sign Monstrosities, New York's New Subway, and more

Science- September 24, 1910

Engineering- September 24, 1910

Aeronautics- September 24, 1910

The Humphrey Gas Pump at the Brussels Exhibition

A Novel System of X-Ray Cinematography

By Alfred Gradenwitz

How the Capacity of the New York Subway Power Plant was Doubled

Finish of the Harvard-Boston Aviation Meet

Mexico City's New Water Works System

By Robert H. Murray

Dew with a Cloudy Sky

The Current Supplement, The Shallowest Large Lake, and more

Magic for Amateurs--XI

Miscellaneous Tricks

By W. H. Radcliffe

The Inventor's Department - September 24, 1910

Simple Patent Law; Patent Office News; Inventions New and Interesting


  • Testing Weights and Measures in New York City

  • Letters

    Correspondence- September 24, 1910

  • Departments

    Legal Notes- September 24, 1910

  • Notes and Queries- September 24, 1910

  • Recently Patented Inventions- September 24, 1910

  • Index of Inventions- September 24, 1910

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September 24, 1910

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