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The World's Largest Locomotive, The One Great Lesson of the St. Lawrence Disaster, and more

The Launch of Shamrock IV, Trial Races of the Cup Defenders, and more

A Yacht Designed on Strictly Utilitarian Lines

The Fallacy of the Double Dirigible Balloon

By R. H. Upson

The Life Story of an Atom

By John W. N. Sullivan

Manhattan Island: a Body of Land Surrounded by Sewage

Sanitation of River Bathing

By Donald B. Armstrong

Variable Speed Transmission and Rotary Pump

A Hydraulic Motor Using Planetary Gears for Piston

New Cathodic Glow Lamp

By Henri Marchand

Gustav Hamel, New Meteorological Units in Great Britain, and more

By H. Bannerman Phillips


  • Letters

    Correspondence- June 13, 1914

  • Departments

    Recently Patented Inventions- June 13, 1914

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