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Scientific American, Vol. 89, No. 24 (December 12, 1903) (1903)

leaf 39

An illustration from Scientific American, Vol. 89, No. 24 (December 12, 1903), 1903, leaf 39
DRAGON rrr PORTLAND CEMENT ON THE MARKET 15 YEARS Exceeds the tandards RECOMMENDED BY THE AMERICAN SOCIETY r CIVIL ENGINEERS Its Solidity and Indestructibility are Appreciated by being Largely ica by the following Iron and Steel Companies: JACKSON IRON & TIN PLATE CO., _ Clarksburg, W. Va. |…

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