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Scientific American
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SA Supplements
May 1900
Volume 49
,
Issue 1272supp
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Features
Opening of the Paris Exposition
A Tour of the Exposition
Steam Engines of 3,000 Horse Power
Portable Pneumatic Tools
Ewart C. Amos
Trade Notes and Receipts
Selected Formulæ
Electro-Culture
Trade Suggestions from United States Consuls
Concentrated Perfumes
Pneumatic Malting
Lignite
The Splügen Tunnel
Liquid Hydrogen
The Cochot Motor-Vehicles
The Relations between Electricity and Engineering
Maccaroni Manufacture in Italy
The Automatic Optician
The means of Defense of Animals
Patents!
Departments
The Shrinkage of Lake Nicaragua
New Books, Etc.
