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Government Irrigation Work

Minidoka Project

By Guy E Mitchell

The use of Thermite in Producing Pure Metals and alloys

Strength of Steel Castings at ordinary and High Temperatures

Compound Goods Locomotive, Saxony State Railways

Experiments Showing the Efficiency of Radiators for Gasoline automobiles

Concerning Wireless Telegraph Transmitters

By Lee De Forest

Contemporary Electrical Science

Notes on the Herons of the District of Columbia

By Paul Bartsch

Radio-Active Minerals and Substances

The Dislikes of Animals

Elements and Compounds

Modern Religious Ceremonies of the Hindoos

The Elizabeth Bridge, Buda-Pest.—II

Engineering Notes

Electrical Notes

Trade Suggestions from United States Consuls

Patents!

Departments

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June 11, 1904

Complex Causes. Alternative Solutions.