Volume 94, Issue 24
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Features
Ocean Races for Small Boats
A Decade of Wireless Telegraphy
The British Naval Programme for 1906
The Need of a Pure-Food Law
Steam Jacketing Investigations
Dried Milk--A New Process
The Magic Sphere--An Illusion Apparatus in Which Curious Optical Effects are Produced by Centrifugal Force
The Hot-Air Boiler
The Latest and Largest Steamship
European Earthquake Recorders
By the Paris Correspondent of the Scientific American