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A Garden of Serpents, High-speed Stars and more

Marconi's Wireless Telephone

By J. Andrew White

Edison Submarine Boat Storage Battery

By Herbert T. Wade

What is Matter Made of?

Resemblance of the Atom Structure to an Infinitely Small Solar System

By Arthur H. Compton

Lessons of the Present War from a Technical Point of View

By Hudson Maxim

Motion Picture Magic

Playing Tricks on Time

By C. H. Claudy

Your Panama Hat

From the Tropical Jungles of South America to the American Hat Store

By A. M. Jungmann

The Fly

A Model of Musca Domestica 64,000 Times Life Size

By Joseph William Grigg

Power of Mind in Baseball

By Arthur Macdonald


  • Departments

    Correspondence - May 15, 1915

  • Recently Patented Inventions - May 15, 1915

  • New Books, Etc. - May 15, 1915

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