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A City of Towers

Safety of the Blackwell's Island Bridge

President Roosevelt on the Conservation of Our Natural Resources

Experiments with a Postal Automobile in France

The Current Supplement

Sending Wireless Messages to a Balloon

Protection for Patents and Trade Marks of Goods to be Exhibited

Progress of the Wright Aeroplane Experiments

Postal Railway in Berlin

The Use of the Air Brush in the Decoration of Wall Paper and Fabrics

By Jacques Boyer

Maximum Economical Storage Capacity of the Croton Watershed

Control by Sound Waves

By R. G. Skerrett

Forest Destruction and the Erosion of Arable Lands

By Day Allen Willey

Extracting the Venom from Lancehead Snake for Medicinal Use

The Largest Clock in the World

A Computing Cheese Cutter

A New Type of Filter

Gathering and Loading Fork


  • Departments

    Correspondence - May 23, 1908

  • Notes and Queries - May 23, 1908

  • Recently Patented Inventions - May 23, 1908

  • New Books, Etc. - May 23, 1908

  • Index of Inventions - May 23, 1908

  • Patents - May 23, 1908

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May 23, 1908

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