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A Peril to the United States Navy, Forming Gatun Lake and more

The Klingenberg Dam in Saxony, De Quervain's Expedition Across Greenland and more

By Robert Grimshaw

The Transmission of Photographs Over Telephone Wires

By the Paris Correspondent of the Scientific American

The Panama Hat Palm, The Digestion of a New-born Infant and more

Devouring a Hundred Tons of Mud per Minute

The United States Suction Dredge “New Orleans”

Sculpturing with the Camera

The New Cardin and Some Old Processes

By P. F. Mottelay

Sir William White, K.C.B.

The Father of the Modern Battleship

What Inventors are Doing

Simple Patent Law; Patent Office News; Inventions New and Interesting

Is it Right to Maintain Prices on Patented Articles?

Vice-President of the Business Bourse

By J. George Frederick

IV.—Shall My Boy Become a Mining Engineer?

By Henry S. Monroe

Muscle as the Motive Power in Flight, The Earth-eaters, and more


  • Departments

    Correspondence - June 1, 1912

  • The Heavens in June

  • Recently Patented Inventions - June 1, 1912

  • New Books, Etc. - June 1, 1912

  • Notes and Queries

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