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Naval Tests of Marconi Telegraphy

Bids for the Proposed Cruisers

The Mammoth Power Stations of New York City

Soil Parasites

Opening of the New York Zoological Park

Production of Hydrogen with the Aid of Magnesium

Masses Smaller than Atoms

Interesting Experiments with Photographic Plates

Coloring Bromide Prints

Report of the Bureau of Steam Engineering

Some French Types of Automobiles

By C. De Kubicki

The Pea Louse, a New and Important Economic Species of the Genus Nectarophora

A Simple Device for Tightening Fence-Wires

Explorations in Patagonia

By J. B. Hatcher

The Parsons Steam Turbine

A Traction-Wheel of Improved Form

The "Becklight" Acetylene-Gas Generator


  • Letters

    Correspondence - November 18, 1899

  • Recommended

    New Books, Etc. - November 18, 1899

  • Departments

    Business and Personal - November 18, 1899

  • Recently Patented Inventions - November 18, 1899

  • Notes and Queries - November 18, 1899

  • Index of Inventions - November 18, 1899

  • Patents - November 18, 1899

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November 18, 1899