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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


By William Crookes

An Automobile Testing Laboratory

The Paris Correspondent of Scientific American

Repairing Broken Negatives

A New Four-Cylinder Portable Steam Engine

Reinforced Concrete-Some of its Principles, with Practical Illustrations

By Walter Loring Webb

Wool Grease for Waterproofing Clothes and Fabrics

Electric Lighting for Amateurs

Steel Researches

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

Engineering Notes

Trade Notes and Recipes

Science Notes

Electrical Notes


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    September 23, 1905

    20% Sitewide for President's Day