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The Liquid Air Fallacy

By Henry Morton

Secrecy in Yacht Construction

An Invention Sorely Needed

Comparison of Electric and Stove Heating on Street Cars

Petroleum Fuel Better than Coaling Stations

The Heavens in July 1899

By Garrett P. Serviss

A New Two-Part Bicycle-Crank

An Antiseptic Broom for Household Use

The "Reina Mercedes."

Steam Motor Cars for Branch Lines

The Snake Dance of the Mokis.--I

By George Wharton James

The Lines and Construction of the Yacht "Columbia."

Sea Lion Rookeries of Southern California

By C. F. Holder


  • Recommended

    New Books, Etc - June 24, 1899

  • Departments

    Recently Patented Inventions - June 24, 1899

  • Index of Inventions - June 24, 1899

  • Notes and Queries - June 24, 1899

  • Business and Personal - June 24, 1899

  • Index - June 24, 1899

  • Patents - June 24, 1899

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