Volume 124, Issue 14
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Features
Twelve Hundred Charts at a Third of a Cent
A Few Words About a Necessary Expenditure for Which Congress Has Failed to Provide
The Why of Luminous Paints
When Humpty-Dumpty Travels
Making the Most of Niagara
Projects Looking to the better Utilization of This Great Water Power
A Problem of Electric Drive
The Advantages of the Diesel-Electric System Over the Straight Diesel Drive
Jobs for Sawdust
Some of the Useful Ends to Which This Waste Material Is Being Put
The Musical Hospital
How Flattened and Fractured Brass, Wood and Stringed Instruments Are Repaired