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Features

The Central Great Plains

Solubility of Fragrant Vegetable Substances

Use of the Red Gum Fast Increasing

The Banana

By Mel T. Cook

The Ink-Fish

The Spider and his Web

By Maurice Koechlin

Methods of Investigating Movements of Expression

By Sommer

Diamonds

By William Crookes

An Automobile Testing Laboratory

The Paris Correspondent of Scientific American

Repairing Broken Negatives

Reinforced Concrete-Some of its Principles, with Practical Illustrations

By Walter Loring Webb

A New Four-Cylinder Portable Steam Engine

Wool Grease for Waterproofing Clothes and Fabrics

Steel Researches

Electric Lighting for Amateurs

Japan's Trade

Sewage and its Disposal

Author of “The Sanitary Inspector's Guide,” etc

By H. Lemmoin-Cannon

Protein in Food

By J. H. Long

Trade Notes and Recipes

Engineering Notes

Science Notes

Electrical Notes

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    September 23, 1905

    Help Us Reforest the Mississippi River Valley