Skip to main content


The Land of the Boers

A Problem in American Anthropology

Recent Work against the Gypsy Moth

Single China Aster (Callistephus Hortensis)

Cotton Industry

Selected Formulæ

Miscellaneous Notes

Trade Suggestions from United States Consuls

Experiments with High - Frequency Currents at the Charlottenburg Technical School

Facts about Storage Batteries

By Isaiah L. Roberts

Electric Propulsion at Tours

Mechanical Science

The Parsons Turbomotor

By William White

A Novel Fire Escape

The Mining and Preparation of Kaolin

Australian Quicksilver

Schneider-Canet Naval Turrets

Report of the Chief of the Bureau of Ordnance

American Railroads

Their Relation to Commercial, Industrial and Agricultural Interests

Compound Harmoni Vibration of a String


The Manufacture of Sodium Nitrite


    Purchase To Read More

    Already purchased this issue? Sign In to Access
    Select Format
    November 25, 1899

    20% Sitewide for President's Day