Volume 60, Issue 1557supp
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Features
The Opening of the Victoria Falls Bridge
Submarines—VII
Iron and Steel Hull Steam Vessels of the United States
Bronze Coloring
Induced Radioactivity Excited in Air at the Foot of Waterfalls
Magnetic Alloys
An Interesting 40-Ton Block-Setting Crane for Harbor Construction
The English Correspondent of Scientific American
The Scott Gasoline-Motor-Propelled Agricultural Tractor
The English Correspondent of Scientific American