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Manhattan Suspension Bridge to be Investigated

Fashions in Electric Systems

Gatun Dam Facts Perverted




Farman's Experiments with his Triple-Surface Aeroplane

The Transportation of Submarines

By P. A. Hislam

Models for Illustrating the Strain on Structures

By Alfred Gradenwitz

Magnitude of the Salt Industry

A Defense of the Wright System of Propellers

A Novel System of Concrete Construction

By Day Allen Willey

Fast Steamers Built on "Tetrahedral" Lines

By Otto Kretschmer

A New and Interesting Motor Cycle

By Arthur H. J. Keane

A New Incandescent Gas Mantle

The Measles Cannibal

By Crittenden Marriott


  • Departments


  • Notes and Queries

  • Recently Patented Inventions

  • New Books, Etc.

  • Index of Inventions

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December 26, 1908

Of Shamrocks and Science

Happy St. Patrick’s Day