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Fire escape... Speed indicator...
Item # 202339
October 27, 1877
SCIENTIFIC AMERICAN, New York, October 27, 1877 This 16 page issue is in nice condition and contains illustrations of the latest inventions of the day including the following inventions: AUTOMATIC FIRE ESCAPE - DREDGING APPARATUS - SPEED INDICATOR - ELECTRICAL MACHINES & more, including related text.
Category: Post-Civil War