Volume 91, Issue 6
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Features
Osmon, a New Combustible from Peat
M. Curie's Experiments with Radium Emanations
The Exposition as an Educational Force
The Influence of Milking upon the Quantity and Quality of Milk
Phosphorescent Crystallization of Arsenious Acid
The Locomotive-Testing Plant at the World's Fair
The St. Louis Correspondent of the Scientific American
Counterweighted Cable Tramway
A Novel Wave Meter for Wireless Telegraphy
By Our Berlin Correspondent
A Handless Clock
Aeroplane Experiments
Trained Animals at the World's Fair
By the St. Louis Correspondent of the Scientific American