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Filming a Lens in Action, Russia's Industrial Standing and more

By Carl F. Propson

Coal and Iron from the Arctic

Spitsbergen's Vast Mineral Wealth and the Question of its Future Government

By Harold J. Shepstone

Studying the Knocks

How a Closer Knowledge of what Goes On in the Cylinder Might Solve the Problems of the Fuel Supply

By Charles F. Kettering

Freaks of War Wireless

How the Phonograph Turned Detective and Solved a Wireless Mystery

Munitions of Peace

How the Deadly T.N.T. Can Be Put on its Good Behavior and Made to Work for its Living

By C. H. Claudy

The Pheasants and their Book

By Lee S. Crandall

A Loop of Wire

An Interesting Radio Communication Development that Resulted from the Great War

By Walter J. Henry


  • Departments

    Correspondence - October 11, 1919

  • Inventions New and Interesting - October 11, 1919

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