Volume 56, Issue 1440supp
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Features
Metallic Calcium from Lime
Contemporary Electrical Science
An Unrecorded Property of Clay
A Speedometer for Automobiles
New Folding Opera Glasses
How Peas are Canned
Coloring of Metals
Process by Oxidation
The New Automatic Hattersley Loom
The English Correspondent of the Scientific American
The Schroeder Contact Process of Sulphuric Acid Manufacture
History and commercial development