Volume 41, Issue 1047supp
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Features
The Arc Light
LECTURE I
The Electric Cable Railway of the Stanserhorn, in Switzerland
An Inextinguishable Coal Mine Fire
The Sewers of Paris—A Siphon under the Seine
Defenses of Constantinople
The Improvement of London
Notes on Gold Milling in California
Specifications for a Forty-Stamp Gold Mill (Water Power)
Machinery