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Air Resistance to Moving Bodies

The Element of Safety in Smokeless Powder

The Silk-Producing Spider of Madagascar

First Class Battleship "Kentucky"

Salvage of the "Oregon"

The Brooks Comet

Paris Exposition.--Interior of the Petit Palais

Nernst Lamp at the Exposition

Lumber Rafts on the Columbia River

To Inventors


  • Departments

    A New Gas Battery

  • An Interesting Clock

  • Inquiry Concerning Water Tube Boilers

  • The Death of Prof. J. E. Keeler

  • Awards at the Paris Exposition

  • Polyglot China

  • The Heavens in September

  • Locomotive Snow Plows in Europe

  • New Books, Etc.

  • Notes and Queries

  • Business and Personal

  • Recently Patented Inventions

  • Index of Inventions

  • Patents

  • Correspondence

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