494 
Mr. Ivory on the astronomical refractions. 
TABLE II. — Thermometer. 
o 
5 ° 
49 
48 
47 
46 
45 
] 
0.00000 
0.00090 
0.001 81 
0.00272 
0.00363 
0.00455 
Diff. 
9 1 
92 
O 
5 ° 
5 1 
5 Z 
53 
54 
55 
] 
o.oocoo 
9.99910 
9.99820 
9.99730 
9.99640 
9 - 9955 ° 
m 
44 
0.00546 
5 6 
9.99460 
90 
43 
0.00638 
57 
9 - 9937 1 
42 
0.00730 
5 8 
9.99282 
4 i 
0.00822 
59 
9 - 99 1 93 
40 
0.00914 
60 
9 99 io 4 
39 
0.01006 
93 
61 
9.99016 
89 
3 8 
0.0 1099 
62 
9.98927 
37 
0.01 192 
63 
9.98839 
3 6 
0.01285 
94 
64 
9.98751 
35 
0.01379 
6 5 
9.98663 
34 
0.01472 
66 
9.98575 
88 
33 
0.01566 
67 
9.98488 
32 
0.01660 
68 
9.98401 
3 » 
0.01754 
69 
9.98314 
3 ° 
0.01848 
70 
9.98227 
29 
0.01942 
95 
7 i 
9.98140 
87 
28 
0.02037 
72 
9.98054 
27 
0.02 132 
73 
9.97967 
26 
0.02227 
74 
9.97881 
25 
0.02323 
9 6 
75 
9-97795 
24 
0.0241 8 
76 
9.97709 
23 
0.025 13 
77 
9.97623 
22 
0.02609 
78 
9-97537 
86 
21 
0.02706 
97 
79 
9.97452 
20 
0.02803 
80 
997367 
*9 
0.02900 
81 
9.97282 
18 
0.02997 
82 
9.97197 
17 
0.03094 
83 
9 971 1 2 
16 
0.03191 
84 
9.97027 
85 
15 
0.03288 
98 
85 
9 - 9 6 943 
H 
0.03386 
86 
9.96859 
13 
0.03484 
87 
9.96775 
12 
0.03582 
88 
9 96691 
1 1 
0.03680 
99 
89 
9.96607 
84 
10 
0.03779 
9 ° 
9.96524 
TABLE III. — Barometer. 
O 
3 ° 
30. 1 
30.2 
3°-3 
3°-4 
3°-5 
0.00000 
0.00145 
0.00289 
0.00432 
0.00575 
0.00718 
Diff. 
144 
*43 
O 
3 ° 
29.9 
29.8 
29.7 
29.6 
29.5 
0.00000 
9.99855 
9.99709 
9-99563 
9.99417 
9.99270 
Diff. 
*45 
146 
30.6 
0.00860 
29.4 
9 - 99 1 23 
1 47 
3°-7 
0.01002 
142 
29-3 
9.98975 
148 
30.8 
0.01143 
29.2 
9.98826 
3°-9 
0.01284 
141 
29.1 
9.98677 
31.0 
0.01424 
140 
29.0 
9.98528 
149 
28.9 
9.98378 
28.8 
9.98227 
28.7 
9.98076 
* 5 * 
28.6 
9.97924 
28.5 
9.97772 
28.4 
9.97620 
152 
28.3 
9.97466 
28.2 
9 - 973*3 
28.1 
9.97158 
28.0 
9.97004 
1 54 
27.9 
9.96848 
27.8 
9.96692 
156 
27.7 
9.96536 
*57 
27.6 
9.96379 
2 7-5 
9.96221 
158 
TABLE IV. 
O 
+ 
0 
— 
5 ° 
0.00000 
5 ° 
0.00000 
40 
0.00043 
60 
0.00043 
3 ° 
0.00087 
70 
0.00087 
20 
0.001 30 
80 
0.001 30 
10 
0.00173 
90 
0.001 73 
