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On the Working of Combined Coherers

The High-Speed Motor-Boat Model

Raising Carrier Pigeons

Fleets in the Far East--An English Review of the Position of Russia and Japan

By Archibald S. Hurd

Rotary Valve for Sawmills

Valve for Control of Hydraulic Elevators

The Adam-Boudin Globular Boat

The Largest Photograph in the World


Samuel Pierpont Langley

The Modern Torpedo

Jupiter and his Surface Currents

By T. E. R. Phillips

Russia's Losses in the First Week of the War

The “Scooter”


  • Departments

    Correspondence - March 5, 1904

  • The Heavens in March - March 5, 1904

  • Business and Personal Wants - March 5, 1904

  • Recently Patented Inventions - March 5, 1904

  • Notes and Queries - March 5, 1904

  • New Books, Etc. - March 5, 1904

  • Index of Inventions - March 5, 1904

  • Patents - March 5, 1904

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March 05, 1904

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