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A Day with the "Shamrocks"

By the Yachting Expert of the Scientific American

Broadway Tunnel Controversy

A New Gold District

The Ninth International Geological Congress

The Current Supplement

Prof. Barnard's Observations of the White Spot on Saturn

By Mary Proctor

Present Status of American Shipbuilding

An Instrument for Describing Mathematical Curves

By F. N. Massa

An Audible and Visible Railway Signal for Grade Crossings, Operated by a High Tension Current

By Emile Guarini

Waterway Improvement on the Ohio

By William Gilbert Irwin

The Secret Cannibal Society of the Kwakiutl

By Walter L. Beasley

An Automatic Device for Replacing Bowling Alley Pins

The Sending of the President's Message around the World

A Novel Amusement Apparatus

An Efficient Low-Priced Typewriter


  • Departments

    Correspondence - August 15, 1903

  • Recently Patented Inventions - August 15, 1903

  • Notes and Queries - August 15, 1903

  • Business and Personal Wants

  • Index of Inventions - August 15, 1903

  • New Books, Etc. - August 15, 1903

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August 15, 1903

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