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The Preparation of Pure Argon

Longitudinal Bulkheads and Battleship Stability

The Aqueduct Commissioners and the New York City Water Supply

Soaring Flight

By Garrett P. Serviss

A German High-Speed Locomotive

The Wolvin, the Largest Fresh-Water Steamship Afloat

By W. Frank M'clure

Two Home Made Wireless Telegraph Receivers

The Manufacture of Incised, or Cut Glass

The Automobile and Motor-Boat Races at Nice and Monte Carlo

Business and Personal Wants


  • Departments

    Science Notes - April 30, 1904

  • Correspondence - April 30, 1904

  • Recently Patented Inventions - April 30, 1904

  • Notes and Queries - April 30, 1904

  • Index of Inventions - April 30, 1904

  • Patents - April 30, 1904

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