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A Canard and Its Refutation

The Crisis of the Russo-Japanese War

A Great Public Improvement

Tidal Water Power-Means of Obtaining a Constant Head of about Thirty-Eight Feet

By W. S. Cleveland

Wireless Burglar Alarm for Safes

By the English Correspondent of the Scientific American

Destructive Head-On Collision

Electrical Apparatus for Felling Trees

Pneumatic Pump

A New Home for the Peary Meteorite

By Walter L. Beasley

The Aerial Bridge at Duluth

The Haschke Compound Storage Battery

Fire Protection for Snowsheds on the Central Pacific Railroad

By H. I. Bennett

A Tree on Stilts

The Largest Geyser in the World

By Oliver Johnson

A Novel Adaptation of the Archimedean Screw

A River of Fish

Business and Personal Wants

Read This Column Carefully --You will tind inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write us at once and we will send you the name and address of the party desiring the information...


  • Departments

    Correspondence - December 24, 1904

  • New Books, Etc. - December 24, 1904

  • Notes and Queries - December 24, 1904

  • Recently Patented Inventions - December 24, 1904

  • Index of Inventions - December 24, 1904

  • Patents - December 24, 1904

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