Volume 88, Issue 13
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Features
Ratification of the Panama Canal Treaty
Rise of Water Power in Electrical Supply
The Latest Edison Storage Battery Patent
The Heavens in April - March 28, 1903
A Mechanical Street Cleaner
Vessels Made from Quartz and Some of Their Uses
Electricity in Modern Mining Drainage Installations
American Railway Slaughters and British Railway Safety
A New Sighting Gear for Naval Guns and Gunnery Signaling Apparatus
By Our London Correspondent.