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Longer Piers for Ocean Steamships

The Award of the Fourth-Dimension Prize

Lighter Than Air




Studying the Desert Plant by Experimental Methods

By William Austin Cannon

Improvements in the De Forest System of Wireless Telephony

By Walter Kendall

Development of the Teansatlantic Steamship

Los Angeles 200-Mile Conduit Water Supply

The longest artificial water conduit

By Day Allen Willey

The Aeronautic Society's First Curtiss Aeroplane

Method of Correcting Faulty Acoustic Properties of Public Halls

By the Paris Correspondent of the Scientific American

Expansion Cutter-Head for Boring Brass

Sanitary Milk and Cream Saving Device

Combined Life Rail and Gutter for Swimming Pools

Distributer for Grain Bins

Patent Department

A New Automobile Lock

Apparatus for Determining Density

Automatic Starting Device for Siphons

Oddities in Inventions


  • Departments

    Recently Patented Inventions

  • Patents

  • Notes and Queries

  • Index

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