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Our Decadent Merchant Marine

Warship Construction at our Navy Yards

Important Change of Panama Canal Locks

Prevention of "Flarebacks" in Modern Guns

Official Meteorological Summary, New York, N. Y., December, 1907

The Economic Waste of Accidents

Habits of the Tarantula

By C. E. Hutchinson

A New Coin Counter

The Current Supplement

Winter Fires

By Day Allen Willey

An Apparatus for Indicating Fire Damp in Coal Mines

A Railroad in Miniature--A Toy Line which Cost $50,000

By W. G. Fitz-Gerald

The Most Wonderful Railroad of the North

By Katherine Louise Smith

Tissot's Respiratory Apparatus

By Jacques Boyer

Great Storms on the Sun

By S. A. Mitchell


  • Departments

    Correspondence - January 11, 1908

  • Index of Inventions - January 11, 1908

  • New Books, Etc. - January 11, 1908

  • Recently Patented Inventions - January 11, 1908

  • Notes and Queries - January 11, 1908

  • Patents - January 11, 1908

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