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Scientific American, Vol. 26, No. 3 (January 1872) (1872)
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kimtiik %mnian. [January 13 1872. 34 in 11 I ll 1 THE ALLEGHENY OBSEE,VATORY.-[See next wage.] © 1872 SCIENTIFIC AMERICAN, INC.Patents · Granted · Hearing · Iron · Hearing february · Artificial · Steam engine · Latent heat · Hearing january · Artificial fuel · Scientific American · White population · Exhaust steam · Horse power · Illustrated catalogue
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