544 
MESSRS. T. E. THORPE AND J. W. RODGER ON THE RELATIONS 
Left limb. 
Right limb. 
Temp. 
Press. 
Corr. 
V- 
Temp. 
Press. 
Corr. 
V- 
O 
o fp 
o 
130-82 
•000004 
•084610 
11-91 
131-35 
-000005 
•056249 
23-83 
130-71 
•000008 
•038633 
34-25 
130-99 
-000011 
•028303 
47-66 
130-67 
•000015 
•019654 
58-74 
130-88 
•000020 
•014847 
71-05 
130-94 
•000026 
•011210 
81-87 
131-35 
•000082 
•008888 
94-95 
131-54 
•000041 
•006870 
94-93 
131-42 
•000041 
•006874 1 
104-57 
130-30 
•000047 
•005791 
104-58 
130-22 
•000047 
•005798 
117-66 
1.30-20 
•000058 
•004645 
117-54 
130-11 
•000057 
•004663 
128-15 
130-24 
•000066 
•003970 
128-06 
1.30-15 
•000066 
•003979 
In reducing the observations the same values for the density and thermal expansion 
were used as in the case of the first sample. 
The results of the two series of observations show that the samples were not 
absolutely identical in character, althougli the general form of the curves is almost 
the same. From 0° up to about 80° the first sample is more viscous than the other. 
At 0° the difference amounts to about 2'5 per cent., this gradually diminishes up 
to about 80° when the curves cross ; above 80° the first sample is slightly less viscous 
than the other, the extreme difference being about 1 per cent, at the boiling point. 
These differences may possibly be owing to the presence of a minute quantity of 
water in the first sample, which seemed moreover to be indicated by its lower vapour 
density and boiling-point. We prefer, therefore, to adopt the values afforded by the 
second sample as expressing the true viscosity of the inactive alcohol prepared by 
Pasteur’s method. 
Three formulae, given by the observations on the second sample, are required to 
re]3roduce the values with sufficient accuracy. The first extends from 0° to 40°, the 
second from 40° to 80°, the third from 80° to 128°. They are, respectively, as 
follows :— 
L 
77360200-0 
~ rii7-79 4 ’ 
II. 
211442-0 
“ (79-872 4 ’ 
III. Vt = 
1156-78 
(37-682 4 t) 
2-4618 
The agreement between the observed and calculated values is seen in the following- 
tables :— 
