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Weighing Half a Million Freight Cars, Water Supply of Cities Ancient and Modern and more

A Radical Improvement in Cabling

Eliminating the Siphon Recorder

By Herbert T. Wade

To Strike the Pentagram, Is the Whale Disappearing? and more

By John P. Robinson

Expert Report on the Last Zeppelin Disaster, A Good Furniture Polish

Electric Signal Method of Firing Navy Boilers

Automatic Indicator Tells When to Stoke the Furnaces and Amount of the Charge

The Continuous Rail in the United States

A Machine that Crimps a Head Section on a Rail

Rescue Apparatus for the Crew of a Wrecked Submarine

By Alfred Gradenwitz

Losses in the Ohio Valley Flood


  • Letters

    Correspondence - November 22, 1913

  • Departments

    Inventions New and Interesting - November 22, 1913

  • Recently Patented Inventions - November 22, 1913

  • Notes and Queries - November 22, 1913

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