﻿Volume, and Temperature of Rarefied Gases. 



calculated from the apparatus and pump volumes, 

 change in these indicates a new apparatus. 



317 



Any 



No. of 

 Stroke. 



Vacuum. 



Ratio of 



Gauge 



Readings 



E 



F' 



Factor of 



Exhaustion 



from gauge 



E. 



Factor of 



Exhaustion 



from gauge 



F. 



Theory. 

 V. 



V+V. 



1st Series *. 



Preliminary. 



4 millim. 

 2-6 „ 



10359 

 1-080 

 10555 

 10663 



1-0256 



•5497 

 •5431 

 •5436 

 •5254 



•5273 

 •5512 

 •5345 

 •5462 



•550 



II 



Ill 



IV 



2nd Series. 



Preliminary. 



4'9 millim. 

 •11 millm. 



1015 



1049 



1-055 



1-0476 



10475 



10495 



10444 



Mean . . . 



•5396 

 •5363 

 •5376 

 '5430 

 •5351 

 •5463 



•5374 

 •5366 

 •5414 

 •5432 

 •5391 

 •5515 



•540 

 >> 



II 



Ill 



IV 



V 



VI 





•5395 



•5416 



3rd Series. 



Preliminary. 

 I 



•07 millim. 

 •0401 „ 



1040 

 1-032 



•5553 



•5592 



•557 





4th Series. 



Preliminary. 

 I 



Very high 

 vacuum. 



1-0397 



1051 



1053 



1-042 



•6429 

 •5547 

 •6165 



•6362 

 •5543 

 •6232 



•560 



II 



Ill 





5th Series. 



Preliminary. 

 I 



no connexion. 

 •0068 millim. 



10521 



10494 



1-054 



1058 



1-0626 



1060 



1-0427 



10368 



10366 



10594 



1083 



•5374 

 •5413 



•5346 

 •5389 

 •5401 

 •5395 

 •5412 

 •5496 

 •6289 



•5388 

 •5386 



•5325 

 •5401 

 •5493 

 •5426 

 •5412 

 •5378 

 •6462 



•548 



II 



Ill 



IV 



V 



VI 



VII 



VIII 



IX 



X 





* In this series it had not been noticed that it was necessary to keep the 

 mercury as close below the trap as possible, so as to avoid impelling gas into 

 the gauge ou raising the level of the mercury, in order to close it. 



