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Scientific American, Vol. 43, No. 9 (1880) (1880)

leaf 4

An illustration from Scientific American, Vol. 43, No. 9 (1880), 1880, leaf 4
ed without the taining sirups, bitters, and other fluids used in restaurants pressure may be very- minute, for the instrument is so very An apparatus for filling casks and bottles with lager beer necessity of a man going between the wagons for the pur- sensitive that the least compression of the… … phuric or other the pressure of acid, and the the outer air inner one car- presses them in- wardly, forming a double-concave lens. This lens will diverge the rays of light and cause the images obtained by explosive, is introduced, the explosive vessel having a fuse expenditure, which railway…

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