OBSERVATIONS OF THE EDINBURGH ROCK THERMOMETERS. 



183 



VALUES OF J 1 ^- FROM THE ANNUAL TERM. 





Diff. of 

 Depth. 



Ar, 



/■7TC 



A log, a x 





Old. 



Feet. 











t x and t 2 



12-8 



1-367 



0-107 



1-302 



0-102 



t 1 and t 3 



19-2 



2-101 



0-109 



2-035 



0-106 



t 1 and t i 



22-4 



2-465 



0-110 



2-429 



0-108 



t 2 and t 3 



6-4 



0-734 



0-115 



0-733 



0-115 



t 2 and t i 



9-6 



1-098 



0-114 



1-127 



0-117 



t 3 and t 4 



3-2 



0-364 



0-114 



0-394 



0-123 







Mean 



0-1115 



Mean 



0-1118 



New. 













t-y and t 2 



9-9 



1-123 



0-113 



1-059 



0-103 



t x and t 3 



16-0 



1-834 



0-115 



1-775 



0-111 



t x and t 4 



17-9 



2-055 



0-115 



2-009 



0-112 



t and t 3 . . . 



6-1 



0-711 



0-117 



0-716 



0-117 



£ and £ 4 



8-0 



0-932 



0-116 



0-950 



0-119 



i 3 and t 4 



1-9 



0-221 



0-116 



0-234 



0-123 







Mean 



0-1153 



Mean 



0.1148 



VALUES OF 



lire 



FROM THE SEMI-ANNUAL TERM. 





Diff. of 

 Depths. 



Ar, 



^ 



vf 



A log, a 2 



^ 



lire 



Old. 



Feet. 















t x and t 2 



12-8 



1-934 



0-151 



0-107 



1-792 



0-140 



0-099 



t x and t 3 



19-2 



2-821 



0-146 



0-103 



2-996 



0-156 



0-110 



t x and £ 4 



22-4 



3-278 



0-146 



0-103 



3-562 



0-159 



0-112 



t 2 and t 3 



6-4 



0-887 



0-139 



0-098 



1-204 



0-188 



0133 



t. 2 and t i 



9-6 



1-344 



0-140 



0-099 



1-770 



0-184 



0-130 



t 3 and t± 



3 2 



0-457 



0-143 



0-101 



0-566 



0-177 



0-125 









Mean 



0-1018 





Mean 



0-1182 



New. 

















t x and t 2 



9-9 



1-834 



0-185 



0-131 



1-177 



0-119 



0-084 



t x and t 3 



16-0 



2-813 



0-176 



0-124 



2-413 



0-151 



0-107 



t x and ^ 4 . . . 



17-9 



2-984 



0-167 



0-118 



2 865 



0-160 



0-113 



t 2 and £ 3 . . . 



6-1 



0-979 



0-160 



0-113 



1-236 



0-203 



0-144 



< 2 and t i 



8-0 



1-150 



0-144 



0-102 



1-688 



0-211 



0-149 



t 3 and £ 4 



1-9 



0-171 



0090 



0-064 



0-452 



0-238 



0-168 









Mean 



0-1087 





Mean 



0-1275 



