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Features

The Power-Generating Plant at the Paris Exposition

An Outline of the Development of American Locomotives.—II

A Folding Foot-Bridge and Folding Push-Cart

Line Leakage and Charging Currents

By W. E. Goldsborough

Recent Developments in Nernst Lamps

Telegraph and Telephone Work in the Philippines

On Krypton

By A. Ladenburg and C. Kruegel

Commercial University for Hamburg

The Lingual Tractor

The Tapir

The means of Defense of Animals.—II

The Protection of the Young

New Method of Diminishing the Force of Waves and Surf

The Wind Cave of South Dakota

By E. O. Hovey

Cattleya × Maggie Raphael (Dowiana Aurea ♀, Labiata Trianæi ♂)

The Political Organization of the Filipinos

By R. L. Packard

Selected Formulæ

Trade Notes and Receipts

Trade Suggestions from United States Consuls

Patents!

The Kinetic Theory of Planetary Atmospheres

By G. H. Bryan

Departments

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    June 16, 1900

    Think Outside the Gift Box