Volume 46, Issue 1181supp
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Features
A Novel Commercial School
Australian Diamonds
Koontee, the Seminole Bread Root
How to Keep a Floor
Improved Radiographic Apparatus
Aluminum as a Rival of Copper and Brass for Electrical Conductors
Electric Propulsion at Paris
Cost of Macadam Roads in Massachusetts
Engineering Notes
Selected Formulæ
Electrical Notes
The Tasker & Snow Segmented Shaping and Polishing Wheels
Hydraulic Forging Press and Engines
One Hundred Years of Ginning and Baling Cotton
Ginning