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Features

Experiments Made at the Laboratory in the Catacombs; Effect of Darkness upon Animals, Etc

The Battleship “Missouri” Disaster

The Advantages and Drawbacks of Turbines for Ocean Steamers

New Process of Manufacturing Ozone

The Current Supplement

The Caves and Dene-Holes at Chiselhurst

By M. H. H. Macartney

Driving a Test Pile for the Hudson River Tunnel

A New English Aluminium Welding Machine

By Frank C. Perkins

New Electric Chronometer for Timing Automobiles

The Russian Reverse at Port Arthur

The Greatest of Pipe Organs

By Helen Lukens Jones

The Submarine Mine

Concrete Railway Bridges

A Fire Escape for Tourists and Travelers

By W. G. Fitz Gerald

A Novel Italian Unicycle

By Emile Guarini

Departments

  • An Interesting Paradox

  • Departments

    Science Notes - April 23, 1904

  • Legal Notes - April 23, 1904

  • Business and Personal Wants

  • Recently Patented Inventions - April 23, 1904

  • Notes and Queries - April 23, 1904

  • Index of Inventions - April 23, 1904

  • New Books, Etc - April 23, 1904

  • Patents - April 23, 1904

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April 23, 1904

See the World from a Different Perspective

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