498 
MESSRS. T. E. THORPE AND J. W. RODGER ON THE RELATIONS 
Methyl Sulphide. (CH 3 ) 2 S. 
A quantity of methyl sulphide was dried over phosphoric oxide and fractionated. 
The greater portion was eventually found to boil between 37°'13 and 37°‘45. 
Bar. 7G5'4 millims. Corrected and reduced b.p. = 37°’52. 
A determination of vapour density gave :— 
Weight of liquid . 
Volume of vapour 
Temperature . 
Pressure 
0'0614 gram. 
81’61 cub. centim 
14°-8. 
215’93 millims. 
Found, 31T7. Calculated, 3POO. 
The vapour density observation was made at 14°’8—the atmospheric temperature, 
as the substance was completely volatilised under the diminished pressure (215'9 
millims.) employed in the experiment. 
The observations for viscosity gave ;— 
Left limb. 
{ Right limb. 
Temp. 
Press. 
Corr. 
V- 
1 
Temp. 
Press. 
COIT. 
o 
0-2.5 
5-56 
10-04 
14-75 
20-18 
20-13 
31-35 
35-78 
101-64 
101-62 
101-59 
101-59 
101-61 
101-61 
101-60 
101-61 
•000070 
•000073 
•000076 
-000078 
•000081 
•000085 
•000088 
•000090 
•003528 
•003349 
-003210 
•003071 
•002927 
•002774 
•002651 
•002559 
0 
0-29 
5-56 
10-07 
14-75 
20-20 
26-15 
31-35 
35-84 
101-55 
101-.53 
101-51 
101-50 
101-50 
101-50 
101-51 
101-51 
-000070 
-000073 
-000076 
-000078 
-000081 
-000085 
-000088 
-000090 
-003530 
-003353 
-003208 
-003079 
-002927 
-002779 
-002659 
-002559 
In reducing the observations the density was taken as d (0°/4°) = 0'8702 and the 
thermal expansion as 
V = 1 + -02132007^ + -052130214^ + -07232908^. 
(TTiorpe and L. M. Jones, loc. cit.). 
Taking 
Tj. — ‘003529 — '002559 
q = 0°‘27 ^3 = 35°‘81 
(caJculated) = ‘003005 
^2 (from curve) = 17°‘20, 
we obtain I he formula 
