Volume 56, Issue 1451supp
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Features
The Alaska Investment
Stonehenge Offered to the English Government
A Simple and Economical High-Voltage Battery
The Earth as a Condenser and its Role in Wireless Telegraphy
The Durey-Sohy Street Sprinkler
The Ossant Muffler for Gasoline Engines
Functions of Technical Science in Education for Business and the Professions
Anglo-Saxon Medicine
A Handsome Tapestry
A Balloon Trip over the Alps
A New Type of Gasoline-Electric Automobiles with Hub Motors
By the Paris Correspondent of the Scientific American