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Scientific American, Vol. 68, No. 14 (1893) (1893)
leaf 0
on, due to diminution of pressure, would bein- tirely of iron or steel pipes which intereommunicate, tubular hinges, Fig. 4 being a sectional view of the same, showing the passages for supplying water to the tubular part of the door. ; gauge, and any-considerable movement of this kind pressure in… … © 1893 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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