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Features

The Pan-American Exposition of 1901

Color Impressions

Towing Canal-Boats by Electricity

Mechanical Traction on Canals

Trade Risks to Eyesight

The New Smokeless Powder Guns of the United States Navy

The Homemade Windmills of Nebraska

By Erwin Hinckley Barbour

Competition for the Best Life-Saving Device in Cases of Disaster at Sea

Anthony Pollok Memorial Prize

Influence of Various Oxides on Incandescent Mantles

By W. Bruno

Iodine in Articles of Diet

The Buildings of the Pan-American Exposition of 1901

The Natives of Australia and their Origin

By R. Lydekker

Ancient Egyptian Gardening

Automobilism in Hospital Service

Mysterious Clocks

Lattice Refrigeratories

Recording Fern Shapes

Trade Suggestions from United States Consuls

Selected Formulæ

Trade Notes and Receipts

Miscellaneous Notes

Travels in Abyssinia

Patents!

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January 27, 1900

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