168 EXPERIMENTS ON THE SPECIFIC 
measure sent up the tube, being equal to 1.62 
grains in weight. 
Twelve Experiments. 
= a 
oi: . a S48 ae 
ona & y = 
es 3 5 28 | 
a ° = = wo Ep 
Sa =| ao io} =Hha= fe a 
BS a 2B ay ass 35 
22 eae 
ae x a |$2a2 as 
Ba a g |Fege | we 
SE =a o3 a > 
inches inches degrees grains 
28.25 18.19 250 41.70 1.30 
217.75 17.45 230 43.70 1.40 
27.70 18.60 220 50.35 1.30 
27.50 18.62 210 40.00 1.28 
27.60 18.62 212 39.91 1.28 
28.00 19.02 230 39.86 1.28 
28.15 19.15 239 4.0.34 1.30 
28.25 19.25 238 39.69 1.28 
28.50 19.54 254 39.40 ti 
28.75 19.79 266 40.96 1.32 
28.37 19.43 254 40.12 1.29 
27.70 18.70 215 40.00 1.30 
18.82 
When a deduction is made for expansion of 
mercury and glass, 100 cubic inches will be 
39.53, and the specific gravity of the vapour 
will be 1.27, air being 1. 
Vapour or Acetic ACID. 
I was favoured by Dr. Henry with a portion of 
the strongest and purest acid (crystallized at 54° 
