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Scientific American, Vol. 29, No. 22 (1873) (1873)

leaf 8

An illustration from Scientific American, Vol. 29, No. 22 (1873), 1873, leaf 8
ful of birds. Virgil cited the black swan asa -rara sion of patents, and 519 applications for the registering of of the device herewith illustrated, for measuring the cir- trademarks. Twelve thousand nine hundred and seventeen cumference of wheels and the length of the iron from which patents,… … BLACKSMITH’S MEASURING WHEEL. ests of the country, but financially, as they are- EE The Novel Steamer, * now being sold at two or three times their actual cost. The thermythical. The black necked swan (cygnus nigricollis), of The saloon steamship designed by Mr. Bessemer, to make which we present…

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