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Action of Light upon the Formation of Accumulators

A Barrage on the River Thames

The Growth of our Street Railway Systems

Turbine Engines for the New Cunarders

Light in Crystals

By A. C. Maury

Military Aspects of the Trans-Siberian Railway

Resilient Wheel for Vehicles

The Cylindrical Movable Dams at Schweinfurt, Germany

By A. Steens

The Beedle Airship

A Portable Oxygen-Inhaling Apparatus

By Emile Guarini

A Peculiar Blaze in the New York Subway

Business and Personal Wants


  • Departments

    Science Notes - April 16, 1904

  • Correspondence - April 16, 1904

  • Recently Patented Inventions - April 16, 1904

  • Index of Inventions - April 16, 1904

  • Notes and Queries - April 16, 1904

  • Patents - April 16, 1904

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April 16, 1904

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