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New Rating of the World's Fleets

Single-Phase Electric Road Between Baltimore and the National Capital

The Electric Railroad Wreck at Atlantic City

Tulare Lake Basin Again Filling Up

The Current Supplement

A French "Jungle"

The New Dueling School in Paris

Comparison of a Turbine and a Reciprocating Engine for the United States Navy

The Parseval Dirigible Airship

By Alfred Gradenwitz

The Story of the Discovery of the First Aniline Dye

By William Henry Perrin

The Iona Naval Magazine--II

By Walter L. Beasley

Carl Hagenbeck's Novel Zoological Park

By Harold J. Shepstone

A New Steel-Plate Printing and Embossing Machine

By A. Frederick Collins

An Aid to Modern Business

By Isaac F. Marcosson

Business and Personal Wants


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    Recently Patented Inventions

  • Notes and Queries

  • Index of Inventions

  • Patents

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November 10, 1906

Of Shamrocks and Science

Happy St. Patrick’s Day