The Pharmaceutical era . Kluctrnplioriii. Elect (Fig. 84.) The disk can he reiKnte<lly retliarged and dis-cbarg«-d in this manner wiihout a fresli excitation of thewax. Tlie Coallnuous Electrophorut —The most efficient elec-trical machines are those which wurk by induction andgive a nearly continuous supply -if electricity, as theTilpler-Holtr machine, so from its inventors. () In this instrument there is a large stationary ;plate, known as thv .tiflil Ilule, mi the back of whichare passed pieces of varnislieearing circular pieivs of tin foil, called cm-rit


The Pharmaceutical era . Kluctrnplioriii. Elect (Fig. 84.) The disk can he reiKnte<lly retliarged and dis-cbarg«-d in this manner wiihout a fresli excitation of thewax. Tlie Coallnuous Electrophorut —The most efficient elec-trical machines are those which wurk by induction andgive a nearly continuous supply -if electricity, as theTilpler-Holtr machine, so from its inventors. () In this instrument there is a large stationary ;plate, known as thv .tiflil Ilule, mi the back of whichare passed pieces of varnislieearing circular pieivs of tin foil, called cm-ritrs, placed at eipial intervals, each carrier having ametallic button at its center. From each inductor on theback of the fixed plate is a curved metallic arm whichreaches over the revolving plate and holds a small tinselbrnsh «liicli !.wfi|iH nver ciirh carrier iis it passes -Tllpler llolu Mntliln. Kl« In front •>! the ri\ ? log metallic conibp touch the glaaa, eii placed \)T a tinael bruidi. 1 hii neutTullxloo ronihirtor. Helnw horiionlal roda known as (//*r/i<iri;<«tf iOM known aa thethis may be »iM«n two AMoming the toduclor at the left to hove on initialcharge of positive electricity, the action of the machinemay be explained as follows (): Beginning with twocarriera, as n and n, the -l- F of n is repelled and is takenup by the tinsel brush of the neutralizing cuiiducinr its — F is carriccl on. At the carrier marked othe same process takes place, its — E being re|iclled andiM-jipiiig upon the neutralizing rod B, while its -l- E As tin- carriers, one charged with •^ Eand the other with — E pass under the tinsel bniahesat C they give up their charges to the inductors o


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Keywords: ., bookcentury1800, booksubjectdrugs, booksubjectpharmacy, bookyear1