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What Walking Comes to, Pacific Ocean Water in Domestic use and more

The World's Horned Heads

The National Collection at the New York Zoological Park

By William T. Hornaday

The Romance of Invention--III

The Patent That Flew

By C. H. Claudy

The Sea Sled

A Remarkable Boat That Skates on the Water at Incredible Speeds

Red Rock Canyon

One of California's Unvisited Splendors to be Made Accessible by the Roosevelt Highway

By John L. Von Blon

X-Ray Photographs of Plants and their Parts, Condition of the Port of Ostend and more


  • Departments

    Correspondence - October 4, 1919

  • Inventions New and Interesting - October 4, 1919

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