Volume 125, Issue 13
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Features
Saving Food Fish by the Hundred Million
How Victims of the Mississippi Overflow Are Returned to the Main Channel
Keeping the Railroads Afloat
The Water that Our Steam Lines Use in a Year and What They do With it
The Divining Rod Made Respectable
Modern Mineral Location that Proceeds along the lines of Medieval Magic
A. Bridge Building Record
How Cities, Officials and an Industrial Works Pooled Interests, Cut Red Tape and Met an Emergency
Glass Tubes by Machine
How Handwork has Been Eliminated From a Task Formerly Done Altogether by Hand
How Much Water for the Crops ?
Development of an Automatic Transpiration Balance by Government Scientists