302 THE EARL OF BERKELEY, MESSRS. E. G. J. HARTLEY AND C. V. BURTON: 
Experiment with a Solution of Cane Sugar at 30° C. 
(Wt. cone. = 111*89 gr. per 100 gr. water.) 
Date. 
Time. 
Temperatures of 
Pressure. 
Atmo¬ 
spheres. 
Readings on 
Remarks. 
Bath. 
Appa¬ 
ratus. 
Upper 
capillary. 
Lower 
capillary. 
Filled Piezometer VII. with the j 
1911 
solution on 10th, adjusted up- 
per meniscus. 
June 12 
12.20 p.m. 
—■ 
— - 
—■ 
— 
— 
Placed piezometer in position 
and screwed dome on. 
2.30 „ 
— 
— 
17-01 
26-4 
— 
Joined up to pressure apparatus, j 
and put pressure on till mer- 
cury showed in bottom win- 
dow. 
11.40 „ 
3-444 
7-344 
17-01 
27-2 
209-5 
June 13 
9.3 a.m. 
3-444 
7-344 
17-01 
27-2 
209-5 
Note that 3°-44 on Beck- 
9.25 „ 
— 
— 
51-03 
— 
— 
mann thermometer of bath 
9.27 „ 
3-444 
7-359 
51-03 
27-2 
132-7 
= 29°-99 C. 
9.37 „ 
3-444 
7-350 
51-03 
27-2 
132-2 
9.48 „ 
3-444 
7-350 
51-03 
27-2 
132-0 
9.58 „ 
3-444 
7-345 
51-03 
27-2 
132-0 
10.19 „ 
3-444 
7-359 
85-05 
27-25 
55-9 
10.29 „ 
3-444 
7-354 
85-05 
— 
55-2 
10.39 „ 
3-444 
7-350 
85-05 
— 
55-0 
10.50 „ 
3-444 
7-344 
85-05 
27-2 
55-0 
n.o „ 
3-444 
7-320 
51-03 
27-2 
130-5 
j 11.10 „ 
3-444 
7-332 
51-03 
— 
131-5 
11.20 „ 
3-444 
7-338 
51-03 
— 
131-65 
I 11.30 „ 
3-444 
7-340 
51-03 
— 
131-85 
11.40 „ 
3-444 
7-340 
51-03 
— 
131-9 
11.50 „ 
3-444 
7-340 
51-03 
27-2 
131-9 
12.3 p.m. 
3-444 
7-323 
17-01 
27-15 
208-0 
12.18 „ 
3-444 
7-336 
17-01 
— 
209-1 
12.35 „ 
3-444 
7-340 
17-01 
— 
209-2 
12.48 „ 
3 • 444 
7-340 
17-01 
27-2 
209-25 
1.1 „ 
3-444 
7-340 
17-01 
-. 
209-3 
2.25 „ 
— 
— 
— 
-- 
— 
Found temperature had fallen 
owing to failure in relay — ad- 
justed. 
3.21 „ 
3-443 
7-334 
— 
— 
208-7 
3.42 „ 
3-444 
7-340 
— 
— 
209-2 
3.54 „ 
3-443 
7-340 
— 
27-2 
209-2 
4.7 „ 
3-444 
7-344 
— 
27-2 
209-2 
10.0 „ 
3-444 
7-343 
— 
27-25 
209-2 
Note. —The apparent constancy of the bath is partly fictitious. The thermometer ought to have been 
tapped before each reading. 
The Corrections .—As already mentioned, a correction has to be applied to the 
observed pressure for the height of mercury in the stem, this correction (A of Table I.) 
is self-evident and need not detain us, but a further correction (B of Table I.) due to 
