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Features

Fall River's Proposed Water Supply System, Nature as a Canal Builder and more

Recent Advances in Wireless Measuring Instruments

An Instrument for Determining Logarithmic Decrement of Transmitters

By Herbert T. Wade

The 350-Mile Astor Cup Auto Race

American Cars Win First and Second Place in Record Time

Strategic Moves of the War, October 14th, 1915

By J. B. W. Gardiner

Portraying the Little Things of Nature

How to Arrange the Camera for Photomicrographs and Photorhacrographs

By Edward F. Bigelow

Paving River-Beds with Concrete

New System of Laying Concrete Floors and Walls to Confine River Waters to Their Course

The Gyrotelescope, Oil-Burning Furnace for Heat Treatment of Automobile Springs and more

Includes an article on the Sperry gyrotelescope, an aiming device for aerial bombing

By C. Dienstbach

Patent Office News Notes for Inventors - October 23, 1915

Departments

  • Letters

    Correspondence - October 23, 1915

  • Departments

    Inventions New and Interesting - October 23, 1915

  • Recently Patented Inventions - October 23, 1915

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October 23, 1915Cover Image: View of the Deck of the USS "Wyoming," Showing the MIlitary Mast and Her After (Stern) Turrets with 12-Inch Guns. View Is Taken from a tower of the Manhattan Bridge, New York.
 

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