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The Military Value of Airships, The Shipping Bill Fallacy and more

[The cover image is associated with the first editorial on airships]

The Periscope-How it is Constructed and Manipulated

The Searching Eye of the Submarine

Fighting the Sea with Compressed Air, Using Volcanic Steam for the Production of Electrical Energy

By Robert G. Skerrett

Do You See the Point?

By Leonard Keene Hirshberg

Government Co-operation With Our Industries-I

Why Foreign Markets are Closed to Us and How They May be Opened

Mankind in the Making

The Direct Ancestor of the Modern Man and What He Looked Like

By W. P. Pycraft

The Photo-Kaleidograph

A New Instrument That Facilitates the Designing of Artistic Patterns

By By the Berlin Correspondent of the Scientific American


  • Departments

    The Heavens in February

  • Recently Patented Inventions - January 30, 1915

  • New Books, Etc. - January 30, 1915

  • Notes and Queries - January 30, 1915

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