Cae Fa 
Parts Increments 
Water. Standard. of Denfity, 
5 3 95 = 90252 
10 = - go - - ,0479 
LS jieae 85 = — ,0679 
20 - - 80 - - ,c856 
Shir) ferlizi 75 pen ulingebgg 
go. C- - 70 - - ,1119 
Bs neh H5))1 be polgt ang 
4o - - 60 - - ,1279 
45 > 55 * 91319 
bea t Ty 58ers = ‘$9333 
By adding thefe increments to the fpecific gravities found by 
calculation, and taking arithmetical mediums for the interme- 
diate quantities of ftandard, I made out the firft fifty numbers 
of the following table; the remainder was formed by actual 
obfervation in the following manner, premifing that the fpe- 
cific gravities were always taken between 59,5° and 60°, or at 
moft 60,5° of Farenheit. 
1ft, I found by the preceding part of the table that 100 
parts oil vitriol whofe {pecific gravity was 1,8472 contained 88,5 
parts ftandard; confequently 400 grs. of this acid contain 
354+ 
2d, I then took 6 portions of this acid, each containing 
400 grs. and added to them as much water as made them con- 
tain ref{peCtively 48. 46. 44. 42. 40. and 38. grains ftandard. 
To 
