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Scientific American
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Scientific American Magazine
December 1892
Volume 67
,
Issue 26
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Features
Natural Resources of Virginia and West Virginia
B. G. Underwood
Progress of Our Navy
The Use of Photography in Physical Research
The Tallest Wrought Iron Chimney
Fall of a Railway Bridge at Terre Haute
An Improved Automatic Boiler Feed
The Bohemian Twins
Departments
Recently Patented Inventions- December 24, 1892
Index of Inventions- December 24, 1892
Business and Personal- December 24, 1892
To Inventors- December 24, 1892
Notes and Queries- December 24, 1892
New Books and Publications- December 24, 1892