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- PHYSICAL. AND LITERARY. BAF 
A. and B. mentioned p. 39. and 40. of my 
Eflay on the virtues of lime-water, dc. But, if 
- it be confidered, that, in making the latter, a 
much Jefs proportion of water was added to 
the quick-lime, than in making the former; 
it will appear that this difference of their fpe- 
cific gravities, does not infer any thing againft 
the accuracy of the hydroftatic balance; but 
clearly fhews, that the ftrength of lime- 
water varies according to the quantity of wa- 
ter poured on the quick-lime. 
- Ir may be worth while to obferve, that the 
fpecific gravities of the lime-waters, (4) (c) 
and (d) did not differ more than their taftes, 
2 aah weakeft and leaft difagreeable ; 
the fecond was ftronger; and the third ftill 
‘ftronger and fomewhat. pungent. Further, 
while the double lime-water (2) gave, ina few 
- minutes, a copper-colour to filver; the weak 
lime- water (4), produced no fenfible change 
upon it, 
Il. Havine, formerly, bead that lime- 
water and claret wine, mixed together, ina 
certain proportion, acquired a colour like 
that of gun-powder*: I thought, that, by 
mixing claret with different lime-waters, one 
Bbb might 
_* Effay on the virtues cf lime-water, p. 47- 
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