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A Barrage on the River Thames

Action of Light upon the Formation of Accumulators

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

  • Index of Inventions - April 16, 1904

  • Notes and Queries - April 16, 1904

  • Recently Patented Inventions - April 16, 1904

  • Patents - April 16, 1904

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