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Features

The Pan-American Exposition

The Electric Illumination of the Pan-American Exposition

Atmospheric Electricity and Disease

Electric Launches in Venice

The Railways of Africa

Railway Carriage making Machinery

Automatic Lubricator

The Care and Handling of Inflammable Substances

By Joseph F. Hostelley

Trade Suggestions from United States Consuls

An Official Ink

Selected Formulæ

Trade Notes and Receipts

Sleeplessness

The Automobile as seen by the Caricaturist

Power Consumption and Operative Costs of Autombile Delivery Wagons

By George F. Sever

Norwegian Skee Jumping and Racing

The Budapest Acetylene Exposition

Educational Values

One Hundred Years of Achievement in American Glass Manufacture

By C. A. Tatum

A New Radiographic Bulb

The Neolithic Epoch in Ancient Egypt

Earthquake-Sounds

By Charles Davison

Tobacco

Heat-Stroke and Sun-Stroke

Dendrobium Spectabile

Tomato Products

Stratification in Vacuum Tubes

patents!

Departments

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April 21, 1900

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