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A Day with the "Shamrocks"

By the Yachting Expert of the Scientific American

Broadway Tunnel Controversy

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

By Mary Proctor

The Current Supplement

The Ninth International Geological Congress

A New Gold District

Present Status of American Shipbuilding

An Instrument for Describing Mathematical Curves

By F. N. Massa

Waterway Improvement on the Ohio

By William Gilbert Irwin

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

By Emile Guarini

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

  • Business and Personal Wants

  • Recently Patented Inventions - August 15, 1903

  • Notes and Queries - August 15, 1903

  • Index of Inventions - August 15, 1903

  • New Books, Etc. - August 15, 1903

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August 15, 1903

Science for the Modern World