222 



CAPTAIN SABINE ON THE REDUCTION TO A VACUUM 



The air was then admitted, and the following observations were made on 

 the next morning. 



Observer. 



Mr. r 

 Taylor. ] 



Mr. f 

 Taylor.] 



1 



2, 



3 



27 



28 



29 



Thermometers. 



36.1 



36.2 



36.4 



36.25 



36.2 



36.4 



36.5 



stand- 

 ard 

 Barom. 



inch. 



29.76 



29.76 



Times of 



Disapp. He-app. Coincidence. 



06 58 

 15 12 

 23 26 

 40 51 

 49 05 

 57 18 



07 12 

 15 26 

 23 40 

 41 38 

 49 54 

 58 07 



"1 h m 

 V 15 



} 



19 



3 49 28.83 



Arc registered 

 and true Arc. 



Div. o 

 0.675=0.81 



0.17 = 0.20 



Mean 



Interval. 



U94.22 



Correc 



tion for 



Arc. 



+0.36 



Reduct. 



to 363. 



+0.10 



29.76; Capill. + 0.019; Reduction to 32° - 0.018; = 29.761. 



Corrected 



Vibrations 



to 36'. 



86304.18 



86304.18 



The vibrations in air in this expei-iment were as follows : 



Januaiy 14. Previous to the vibration in the 1 86304.60 ; Barom. 29.917 



rarefied medium J 



January 15. Subsequent to the vibration in | g^g^,^ ^^^^^^ 29.761 



the rarefied medium J 



Mean . . 86304.39 ; Barom. 29.839 



'^^dVol^d ^*iTh.' «.*^' r'^'^ r^'^'^.l '•^-186313.93 ; Gauge 2.38 inches, 

 auced to the same temperature as those > ° 



in air J • ' 



