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Criticism of the New East River Bridge

Report of the Chief of the Bureau of Ordnance

A 200 Horse Power Motor Propelled Boat

The National Academy of Sciences

By Marcus Benjamin

The American Hemp Industry

By Waldon Fawcett

Official Trials of Our Submarine Boats

A Machine for Laying Bricks

The New Beachy Head Lighthouse

Natural Effigies

The D. O. Mills Expedition to the Southern Hemisphere

By W. W. Campbell

Protecting a Railroad from Flood Currents

By Day Allen Willey

The Symbolism of the Huichol Indians

By Walter L. Beasley

Patent Department

Oddities in Inventions


Printing Frame

Business and Personal Wants


  • Departments

    The Heavens in December

  • Recently Patented Inventions - November 29, 1902

  • Index of Inventions - November 29, 1902

  • Notes and Queries - November 29, 1902

  • Patents - November 29, 1902

  • New Books, Etc. - November 29, 1902

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November 29, 1902

Of Shamrocks and Science

Happy St. Patrick’s Day