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for this concrete, than that made from the flonc limes ; tfire 

 dilFolving iniwLT ot the oy llcr-fhcU lime-water fccmiiig, 

 from y)r. Wliyll's experiments, to be more than double to 

 tliat of the llonc lime-waters. Dr. Alllon feems to think 

 this a matter of indifference ; and was himfclf cured chiefly 

 of^fhavcd liquorice, and four drams and a ha f of bruifeJ by the ftonc quick-lime water before mentioned. This li- 

 nutmeirs • tlie college of London, half an ounce of faifafras thonlriptic quality of lime-water has been farther conlirmed 

 bark and one ounce of liquorice, with the addition, in fome by Dr. Alllon, who has (hewn the efficacy of hme-water ni 

 cafes of four ounces of rafped guaiacum wood, and three this refj;ett, not only when made by the firlt infufion, and 

 drachms of coriander feeds ; to be macerated for four days in afPUlcd by artificial lieat, but even alter fifty or more infu- 

 three quarts of lime-v.a'.er, and the licpiid drained ofl' for fions, and in the common air. The dodtor thinks that the 



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materials, partly for rendering it more acceptable to the 

 palate and llomach, and partly for improving its medicinal^ 

 ofiieacy agaiull cutaneous defedations. 'I'hc college of 

 Edinburgh directed, in this view, three ounces of the (liav- 

 in^s of the wood and bark of faifafras, one ounce and a half 

 P ^ , ,• , r 1 1 „ v.„ (■ .,r K..,,;ro.( 



«fe. Thefe infuiions are taken in the fame quantities as the 

 fimple lime-water, by thenifulves, or with the addition of 

 niiik. Ia-w1s*s Mat. Med. 



But Dr. Macbride obferves, that the adivity of lime- 

 water is impaired by infuiing vegetable fub!lances therein, 

 which contain much lixed a\r, fueh as the guaiacum or faf- 



energy of lime-water in this cafe probably confilts in its pe- 

 netrating detergeiicy, whereby, inlinuating illelf among the 

 folid parts of the calculi, or into their pores, it feparates 

 them, or diminidies their cohelion, but docs not difiblve 

 them. See Litiiontru'tic. 



But the efficacy of quick-lime and canllic alkali in this 



fafras- for thefe woods, abounding in rclln, give out their intention, is now known to de;;end principally, if not en- 



cmetitinT principle, which, uniting with the didblved tirely, on its power of abforbing the air, which binds calcu- 



quick liine, reilores it to its original itate of an inaftive cal- lous fub (lances together. However, the alkali, when com- 



careous earth : therefore, when it is intended that thefe bined with oil, and made into foap, is not only fo greatly 



woods, or any other fubdance of tlic like nature, Ihould give obtunded thereby, as to lofe much of its power, but the 



ut their virtue to lime-water, and that the water (hould, at foap itlelf is fo naufeons, that few perfons can be induced to 



the fame time, contain its due proportion of diifolved limC; 

 fome ouitk-lime ought to be added, during the time of ma 

 ceration. He alfo obferves, that as milk contains a large 

 proportion of fixed air, it ought not to be mixed with 

 lime-water, (ince it muft ncceflarily take off from its afti- 

 vity. To the fame purpofe, Dr. Alllon has obferved, that 

 there is fca-ceiy any thing that is ufually mixed and given 

 along with lime-water, that does not, more or Icfs, dellroy 



take It in a quantity fufficient to prove of much elfedl : it 

 would, therefore, be a happy difcovery if any vehicle could 

 be found out that would (healiie the acrimony of the cauHi* 

 alkali, fo as to allow it to be taken in large and continued 

 dofcs. PolTibly, fays Dr. Machiide, veal broth, or a de- 

 codlion of marflimallow roots, might be found to anfvver 

 this purpofe; and lime-water might he taken at the fame 

 time, which would not at all interfere with the operation of 



its efficacy ; for width realon he recommended it always to the alkali, but rather add to its activity. Dr. Chittick's 



be taken alone. Macbride's Effays, p. 250. 271. noilrum, which is found, after a perfeverance of iome 



It is obferved by Dr. Lewis, that lime-water diflolves, by months, actually to difiblve the (lone, is faid to be nothing 



the afritla:ice of hei.t mineral fiilphur, vegetable oils and more than the caullic alkali, given in veal broth. But 



refins ar d animal fats. It extracts alfo, in the cold, the lime-water, when taken alone, mult often tail in producing 



virtues of fui'dry refinous and oily vegetables, and dillblvcs any conliderable cfiecl as a lithontriptic, becaufe it will lole 



thick phlegm, and mucous matters, and the curd of milk, much of its power, as Dr. Macbride has fhewn, from the 



with whicli lall i; forms a white liquid, nearly fimilar to fixed air of the alimentary fubtlances in the firll pafl'ages. 



milk in its natural (late. But the ditiolvent power of quick 

 lime has been evinced by Dr. Macbride, and (hewn to ex- 

 tend to a "aricty of difteient fubliances, as camphor, myrrh, 

 gum guaiacum, afa fa;:ida, aloes, callor, balfam of Tolu, 

 mallich, jalap, and the cortex Peruvianus, which were 

 found to yield llrr,iig folutions and tindures ; and thefe, he 

 fays, are more elegant medicines, and perhaps may be found 



who, therefore, recommends it to be drank when the 

 ilomach is empty ; and alio, a.' Dr. Whytt and Dr. Mac- 

 bride have proved by experiments, from the fixed air of the 

 urine itfelf, which will faturatc great part of the quick- 

 lime, even when it hath reached the bladder. Macbride"S 

 Effays, eff. 5. puflim. 



Since there is but a fmall proportion of lime in the water. 



more efficacious than the fpirituous tindures, fince they will it may be thought that taking a few grains of the quick 



never become turbid, or feparate on being mixed in any lime in fubltance would prove much more eflettual in the 



watery vehicle. And fince the folvent power of quick- done, than large quantities of lime-water. But this is a. 



lime is found to depend on its depriving certain fubltances miftake ; and hence Mrs. Stephens's egg-fhells and fnail- 



cf that fixed air or carbonic acid, which is their cementing (hells, if burnt to quick-hme, can never be equally fuccef*- 



principle, it was natural to imagine that it might be ufe- ful with lime-water for the done. 

 fully applied to '.he foliition of the human calculus or done. As for the agtia lenedicla conipofitx, or compound lime- 



Of the varioHS fubdances examined by Dr. Hales, waters, they are not to be compared with fimple lime-water 



with a view of determining their relpeftive quantities of in the gravel ; nor, in Dr. Alvfton's opinion, in any difeafe 



fixed air, the human calculus was found to contain the larged requiring this water. 



proportion ; above one-half of this mafs confiding of fixed The dodor adds, in his Appendix, that though he cannot 

 air. Neverthelefs, if the cau'.lic alkali, or lime-water, yet determine how far lime-water may be proper, even in 

 could be fafely conveyed to it, tliele would abforb the fixed acute didempers, yet he has found it fafe in fcverilh colds ; 

 air, ;:nd the earthy parts, deprived of what bound them to- and by the cafes he there mentions, it feems probablft 

 gether, mud prefently fall to pieces. That lime-water is that lime-water, by its diluent and diuretic qualities, 

 lithontriptic has been (bcwn fufficiently by Dr. Hales, and may prove more ufeful in fevers than is at prefent be- 

 more fully by Dr. Whytt. See his Elfay on the virtues of licved. 



Lime-water, in the Cure of the Stone, and Edinb. Eff. However this may prove on farther trials, it may be faid, 



ice. vol. i. art. 23. p. 3B3. vol. v. art. 69. in general, that hme-water is dilut-ut, detergent, antilepue. 



This gentleman prefers calcined oyder-lhell lime-water to anihelmiiitic, duuetic, and vuliiLrary ; uleful in all dileafes 



any other ; wliicUj he fay^, proves a more adive mcnlliuum ptoceeuing from,, or accompanied wiLh, obflruclions in th» 



bowels 



