16 



PHILOSOPHICAL TRANSACTIONS. 



[anno 1781. 



Oil and 

 spirit of 

 vitriol. 



Grs. 



5.58 

 6.04 

 6.5 

 6.96 

 7.41 

 7.87 

 8.33 

 8 79 

 9-'5 

 9-71 

 10.17 

 10.03 

 1 1 .09 

 11.55 

 12.01 

 12.47 

 12.93 

 13.39 

 13.85 

 14.31 

 14.77 

 15.23 

 15.69 

 16.15 

 16.61 

 17.07 

 17.53 

 17.99 

 18.45 

 1891 

 19.37 

 19-83 

 20.29 

 20.75 

 21.21 

 21.67 

 22.13 

 22.59 

 23.05 

 23.51 

 23.97 

 24.43 

 24.89 

 25.35 

 25.81 

 26.27 

 26.73 

 27.19 

 27.65 



Acid. 



Water. 



Grs. 



3.35 



Grs. 

 2.03 

 2.49 

 2.95 

 3.41 

 3.86 

 4.32 

 4.78 

 5.24 

 5.70 

 6.16 

 6.62 

 7.08 

 7.54 

 8.00 

 8.46 

 8.92 

 9-38 

 9.84 

 '0.30 

 10.76 

 11.22 

 11.68 

 12.14 

 12.60 

 13.06 

 13.52 

 13.98 

 14.44 

 1490 

 15.36 

 15.82 

 16.28 

 16.74 

 17.20 

 17.66 

 18.12 

 18.58 

 19-04 

 19.50 

 19.96 

 20.42 

 20.88 

 21.34 

 21.80 

 22.26 

 22.72 

 23.18 

 23.64 

 24 10 



Acer ed I Mat *" e ~ | Specific lAttract. of Attract, of 

 density | mat ' s P e " g rav ' t y bv ^ e acid water to 

 ' ' ]cific grav. observat. to water, the acid. 



.000 

 .005 

 .045 

 .084 

 0.100 

 0.112 

 0.122 

 0.129 

 0.137 

 0.139 

 0.140 

 0.139 

 0.132 

 0.127 

 0.120 

 0.113 

 0.106 

 0.100 

 0.094 

 0.088 

 .083 

 .078 

 .074 

 .070 

 .066 

 .062 

 .059 

 .056 

 .053 

 .050 

 .047 

 .044 

 .040 

 .038 

 .035 

 .032 

 .029 

 .026 

 .023 

 .020 

 .018 

 .016 

 .014 

 .012 

 .010 

 .008 

 .006 

 .004 

 .002 



2.032 



1.884 



1.774 



1 .687 



I.619 



1.563 



1.515 



1.476 



1.441 



1.412 



1.385 



1.363 



1.343 



1.325 



1.308 



1.294 



1.280 



1.268 



1.257 



1.247 



1.237 



1.228 



1.220 



1.212 



1.205 



1.199 



1.191 



1.187 



1.181 



1.176 



1.167 



1.166 



1.162 



1.158 



1.154 



1.150 



1.146 



1.143 



1.140 



1.137 



1.134 



1.131 



1.128 



1.125 



1.123 



1.120 



1.118 



1.116 



1.114 



2.032 



1.889 



1.819 



1.771 



1.719 



1.675 



1.637 



1 .605 



1.578 



1.551 



1.525 



1.502 



1.475 



1.452 



1.428 



1.407 



1.386 



1.36S 



1.351 



1335 



1.320 



1 .306 



1-294 



1.282 



1271 



1.261 



1.250 



1.243 



1.234 



1.226 



1.214 



1.210 



1.203 



1.196 



1.189 



1.182 



1.175 



1.169 



1.163 



1.157 



1.152 



1.147 



1.142 



1.137 



1.133 



1.128 



1.124 



1.120 



1.116* 



.005 

 .045 

 .084 

 0.100 

 0.112 

 0.122 

 0.129 

 0.137 

 0.139 

 0.149 

 0.140 



0.140 



0.149 



0.139 



0.137 



0.129 



0.122 



0.U2 



0.100 



.084 



.045 



.005 



The specific gravity of the most concentrated oil of vitriol yet made is, 

 according to Mr. Beaume and Bergman, 2.125. 



I ascertained the proportion of acid water and fixed alkali in tartar vitriolate, as 



