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Filtration and the Future Water Supply for New York City

The Need for Federal Quarantine Control

Present Railroad Track Inefficient

Evolution of the Tow Barge

By John R. Spears

How Clinical Thermometers are Standardized and Tested

By Herbert T. Wade

The "Elbert H. Gary"—The Greatest of Ore-Carrying Steamers

By W. Frank M'clure

Stratification in Vacuo: Its Production with the Influence Machine

By Howard B. Dailey

Aftermath of Port Arthur

A Hundred Ways of Breaking Your Neck

The Santos-Dumont "No. 14"

Air Pumps for Experimental Purposes

By W. P. White

Valve for Oil Wells

Business and Personal Wants


  • Departments

    Recently Patented Inventions - October 14, 1905

  • Notes and Queries - October 14, 1905

  • Index of Inventions - October 14, 1905

  • Patents - October 14, 1905

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October 14, 1905

The Antidote to Anti-Intellectualism