The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 214
Fig. 2,—Common Fire-plug, 1845.] THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. 177 The difterent moiics of obtaining watiT from tho mains or pipes areshown in the accompanying drawings. Fig. 2 is a section of a com-mon pUig when not in ose. Fig. 3 is a section of the common plug,with a canvas dam or… … Fig. 3.—Fire-plug with by J inch round iron frames, a double stay is hinged on the top frameat each end. When the cistern is used, the toj) frame is lifted up, andthe stays put into the notches, in two pieces of hoop iron, fixed to thebottom frame. There is a circular opening 9 inches diameter in…
Architecture · Civil engineering · Science
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