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Scientific American Magazine$20.00
Scientific American, Sep 1851 - Sep 1852, Bound Volumes, technology history$90.00
SCIENTIFIC AMERICAN REFERENCE BOOK, 1881 (BR11588)$39.99
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Scientific American Mathematical Puzzles Diversions Gardner HC 1st Print Vol.1,2$14.99As an eBay Partner, userbars.org may earn a commission from qualifying purchases.