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Features

Modern Machine Design in Old China, Ventilation of the Vehicular Tunnel, and more

Completion of the Pearl Harbor Dry Dock

Peculiar Geological Conditions and How They Were Mastered by an Ingenious Method of Construction

By A. Russell Bond

When the Compass Goes Crazy

The Peculiar Conditions of Flying Which Make the Needle Misbehave

By C. H. Claudy

The James Watt Centenary

One-Hundredth Anniversary of the Man Who Made the Steam Engine What It Is

By Herbert T. Wade

Our Technical Achievements in the Great War--V

Providing the Equipment and Training the Forces for a Great Flying Force

Desert Plants as Fodder, Electric Properties of Silicon and Germanium and more

Departments

  • Departments

    Correspondence - August 30, 1919

  • The Heavens in September, 1919

  • Inventions New and Interesting - August 30, 1919

  • Recently Patented Inventions - August 30, 1919

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August 30, 1919

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