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Scientific American, Vol. 43, No. 26 (1880) (1880)

leaf 4

An illustration from Scientific American, Vol. 43, No. 26 (1880), 1880, leaf 4
I. The machine con- an opening to carry the water into the cistern after it.has passed through the filter bed in a circuit around the man-hole. sists of two disks of yielding material having radial grooves The arrangement and composition of the four filter beds in their adjacent faces for conveying… … A Steel Steamboat for Venezuela. The pressure between the disks may be easily CHASE'S POLISHING MACHINE. A steel steamboat in sections was recently sent regulated, and only a few turns of the ma- from this port to Lake Maracaibo, to be used in chine are required to givea knife a fine polish: hands…

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