Page:Proceedings of the Royal Society of London Vol 69.djvu/296

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280
Mr. C. T. E. Wilson.


Sulphur Dioxide.

Pressure in centimetres of mercury.


Leak, scale divi- sions per hour (corrected) .


Leak/pressure.


(l\


21-3


5-3 "I . _



(2)


21-3


5-7 } = 5 ' 5


0-258


C3)


12-3


3-9 "I



(4) .


12-3


3-9 } = 4-0


0-325


(5)


12-3


4-25J



(6)


7-3


2-3 I



(>7)


7'3


2-5 V = 2 -4


0-33


(8)

7'3

2-4 J

Leak/pressure, mean of (3) (8) = '33. Relative leak (air = 1) = 2" G4.

Chloroform.

Pressure in centimetres of mercury.


Leak, scale divi- sions per hour (corrected).


Leak/pressure.


CD


6-3


3'Gl

(2) .

6-3

3'8/ "

0-59

Leak/pressure, mean = 0'59. Relative leak (air = 1) = 4 '7.

These results are represented graphically below.

Pressure cm. of mercury.