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Features

Electric Light and Power at Berlin, Germany

By Frank C. Perkins

The Kansas River Flood

By Charles Alma Byers

Prof. Slaby's Experiments in Wireless Telegraphy

The Paris Automobile Show.—III

By the Paris Correspondent of the Scientific American

The Electric Furnace in Metallurgy

By Albert Heller

Mercantile Fleet of Japan

James Smithson

By Samuel Pierpont Langley

Contemporary Electrical Science

Solvent Process for Degreasing Wool

Bacteria and the Nitrogen Problem

Introduction

By George T. Moore

American Education

The mosely commission in the United States

The Landolphia of French Congo Yielding Caoutchouc

A New Grading and Ditching Machine

Aquatic Products in Arts and Industries

By Charles H. Stevenson

A Cross-Channel System of Train-Ferryboats

What to do with Molder's Sand

The Naphtha Industry of Baku

Electrical Notes

Engineering Notes

Trade Suggestions from United States Consuls

Patents!

Trade Notes and Recipes

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    February 13, 1904

    Beyond XX and XY

    Biology. Identity. Equality.