American journal of pharmacy . , a continuation of the tube t, the lefttubulure (in the figure) of the flask f. The tubewhich is at the middle of box u, and envelopes» L I , - the blow-pipe c, has several small holes u u com- mlMMl^ liiiiHiiiili municating with the empty (or upper) part of the bos u. Above the blowpipe, and resting in a furrow in the top of the bos u,there is a copper cup k, pierced at the centre with a hole for the passage ofthe jet of vapor which escapes from the holes u u u, after the bellows areput in action. To prevent the burning fluid from becoming too much heated there


American journal of pharmacy . , a continuation of the tube t, the lefttubulure (in the figure) of the flask f. The tubewhich is at the middle of box u, and envelopes» L I , - the blow-pipe c, has several small holes u u com- mlMMl^ liiiiHiiiili municating with the empty (or upper) part of the bos u. Above the blowpipe, and resting in a furrow in the top of the bos u,there is a copper cup k, pierced at the centre with a hole for the passage ofthe jet of vapor which escapes from the holes u u u, after the bellows areput in action. To prevent the burning fluid from becoming too much heated there is atrough s containing water. Before lighting the lamp, the fluid in L isheated till the water in the trough boils ; then the bellows are made to act,and the jet of vapor is lighted; after which the heat disengaged by thelamp is sufficient to continue the vaporization of the fluid. Above the box l there is a chimney a having a series of holes aroundnear its bottom for drawing in air on the flame of the apparatus. * « * * *americanjournal29phil. 26


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Keywords: ., bookcentury1800, bookidamericanjournal29phi, booksubjectpharmacy