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New York's Water Supply, Perfecting the "America's" Water Wings, and more

Testing a Safety System for Storing and Distributing Inflammable Liquids

By Herbert T. Wade

The Paul Schmitt Biplane

By John Jay Ide

The New British Mark R. E. Biplane, Business in the Patent Office, and more

By H. Bannerman-Phillips

A Bottomless Pit, New Type of Tire Chain, and more

By Henry H. Riggs


  • Letters

    Correspondence- July 18, 1914

  • Departments

    Recently Patented Inventions- July 18, 1914

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