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The Process of Cutting Glass Dishes

By Day Allen Willey

Temperature Experiments with Butterflies

By E. Fischer

The Peterson Boat-Launching Apparatus

Parsons' Screw-Propeller

The Fouling of Screws by Cables

Compressed Air Locomotives

Safety Appliances

Turton's Lathe-Carrier

Psychology

By E. A. Pace

The Revolutionary Inventor

The Kinetoscope for Scientific Investigation

What does the Designation C. P. Mean at Present?

The Istle Fiber of Mexico

By Charles Richards Doge

Vitality of Disease Germs

To Preserve Cut Flowers

A Modern Touchstone

The Practicability of Wireless Telegraphy

By G. Marconi

The Multiplex Telegraphone

Steam Turbine not Invented by Hero

Lampblack Sketches

The Fouillaron Automobile Carriage

Possibilities if Agriculture in South Africa

A New Bleaching Process

Diazo Photographic Printing

Trade Suggestions from United States Consuls

Departments

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June 28, 1902

Help Us Reforest the Mississippi River Valley

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