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Electrochemical Discoveries

The Torpedo Tube and our New Battleships

Nordenskiold's Ship Crushed in the Ice Pack

Borelly's Comet

White Spot on Saturn

An Improved Type of Steam Nozzle

The Edem Fog Signal

Auto Chairs for the St. Louis Fair

Improvements in Steam Shovels

By Waldon Fawcett

The Projections of the Planet Mars

The Ore-Carrying Wire Ropeway at Vivero, Spain

The Volcanic Eruptions in Guatemala

By J. Winterton

A Prism for Measuring the Actual Dip of the Horizon

A Remarkable Fossil Discovery

By Walter L. Beasley

Business and Personal Wants

READ THIS COLUMN CAREFULLY--You will find inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write us at once and we will send you the name and address of the party desiring the information. In every case it is necessary to give the number of the inquiry MUNN&CO.


  • Departments

    The Heavens in August, 1903

  • Index of Inventions - August 1, 1903

  • New Books, Etc. - August 1, 1903

  • Recently Patented Inventions - August 1, 1903

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August 01, 1903

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