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Scientific American, Vol. 88, No. 21 (1903) (1903)

leaf 3

An illustration from Scientific American, Vol. 88, No. 21 (1903), 1903, leaf 3
ace. Heretofore this no water pressure is available for driving the water —_— +o oe has usually been done by mixing in some cementing motor, a special form of machine is provided, in which All the trolley lines entering Cleveland, Ohio, have medium and pressing this mixture into briquettes. the… … be reduced. The gist of become a law. © 1903 SCIENTIFIC AMERICAN, INC.

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