in order to af certain the height of Mountains . 585 
table 1. For the expanfion of quickfilver by heat, 
fee p. 574. 
Degr. 
Height of the barometer in inches. 
Therm. 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
3 ° 
3 1 
32 
I 
2 0 
2.1 
2.2 
2*3 
2.4 
2.5 
2-6 
2.7 
2.8 
2.9 
3 *° 
3 *i 
3*2 
2 
4 * 1 
4-3 
4*5 
4*7 
4-9 
5 *i 
5*3 
5*5 
5*7 
5*9 
6.1 
6*3 
6*5 
3 
6.1 
6.4 
6.7 
7.0 
7*3 
7*6 
7*9 
8.2 
8*5 
8.8 
9.1 
9.4 
9*7 
4 
8.1 
8.5 
8.9 
9*3 
9*7 
IO.I 
10.5 
1 1 .0 
11.4 
11.8 
12.2 
12.0 
13.0 
5 
IO.I 
10.6 
1 1. 1 
11.6 
12. 1 
12.7 
13.2 
i 3*7 
14.2 
14.7 
X 5*2 
x 5*7 
16.2 
6 
12.2 
12.8 
x 3-4 
14 0 
14.6 
15*2 
15.8 
16.4 
17.0 
17.6 
18.2 
18.8 
* 9*5 
7 
14.2 
14.9 
15.6 
1 6.3 
17.0 
x 7*7 
18.4 
19.2 
19.8 
20.6 
21.3 
22.C 
22.7 
8 
l6.2 
17.0 
17.8 
18.6 
x 9*4 
20.2 
21.0 
21.9 
22.7 
23*5 
24*3 
25.2 
25*9 
9 
l8.2 
19.2 
20. 1 
21.0 
21.9 
22.8 
23*7 
24.6 
25.6 
26.5 
. 27.4 
28.3 
29.2 
10 
20.3 
21.3 
22.3 
23-3 
24.3 
25-3 
26.3 
27.4 
28.4 
29.4 
3°*4 
3 r, 4 
32.4 
11 
22.3 
23*4 
24-5 
25.6 
26.7 
27.8 
28.9 
30.1 
3 1# 2 
32*3 
33*4 
34-5 
35 - 6 
12 
2 4*3 
25. 6 
26.8 
28.0 
29.2 
3°-4 
31.6 
3 2, 9 
34 * 1 
35*3 
36.5 
37-6 
38.9 
13 
26.3 
27.7 
29.0 
3°-3 
3 1 - 6 
32-9 
34-2 
35 - 6 
36-9 
38.2 
39-5 
40.8 
42.1 
14 
28.4 
29.8 
3 x -2 
32,6 
34 -o 
35 4 
36.8 
3 8 -4 
39 - 8 
41.2 
42.6 
43-9 
45-4 
i 5 
3°*4 
3 l -9 
33-4 
34-9 
3 6 -4 
37*9 
39-4 
41. 1 
42.6 
44.1 
45-6 
47.1 
48 6 
16 
32*4 
34 - 1 
35 6 
37*2 
38.8 
40*5 
42.0 
43 - 8 
45 4 
47 *o 
48.6 
5°-3 
5 X *8 
17 
34-5 
36.2 
37-9 
39 * 6 
4 i -3 
43 -° 
44-7 
46.6 
48-3 
50.0 
5 i *7 
53-4 
55 * 1 
18 
3 6 -5 
3 8 -3 
40.1 
41.9 
43-7 
45*5 
47-3 
49-3 
Si-i 
52.9 
54*7 
56.5 
5 8 *3 
x 9 
3 8 -5 
40.5 
42.3 
44.2 
46.I 
48.1 
49-9 
52.1 
54 -° 
55*9 
57 - 8 
59-7 
61.6 
20 
40.6 
42.6 
44.6 
46.6 
48.6 
50.6 
52.6 
54-8 
56.8 
58.8 
60.8 
62-8 
64.9 
21 
42.6 
44-7 
46.8 
48.9 
51.0 
53*2 
55-2 
57 5 
59.6 
61.7 
63 8 
65-9 
68.1 
22 
44.6 
46.9 
49 * 1 
S !-3 
53-5 
55*7 
57-9 
60.3 
62.5 
64*7 
66.9 
690 
7 x *4 
23 
46.6 
49 0 
5 X *3 
53 - 6 
55-9 
58.2 
00.5 
63.0 
65-3 
67,6 
69,9 
72.2 
74.6 
. O 
24 
48.6 
Si-* 
53’5 
55-9 
5 8 *3 
60.8 
63.1 
65.8 
68.2 
70.6 
73-0 
75 4 
77.0 
25 
S °*7 
53-2 
55 -B 
58.2 
60.7 
63.2 
6 5-7 
68.5 
71.0 
73*5 
76 0 
7 8 *5 
81. 1 
26 
52.7 
SS -4 
50.0 
60.. 5 
63.1 
65*8 
68.3 
712 
73 - 8 
76.4 
79 ° 
81.6 
84 *3 
27 
54-7 
57-5 
6°. 3 
62.9 
65.6 
68.3 
7 1.0 
74.0 
76.7 
79'4 
82.1 
84.8 
87-5 
28 
56.8 
59-6 
62.5 
65.2 
68.0 
70.8 
73-6 
76.7 
79-5 
82.3 
85.1 
87.9 
9°-7 
29 
58.8 
61.8 
64.7 
67-5 
70.4 
73*3 
76.2 
79-5 
82.4 
8 5-3 
88.2 
91.1 
94.1 
3 ° 
60.8 
6 3-9 
66.9 
69.9 
72.8 
75*9 
78.9 
82.2 
85.2 
88.2 
912 
94.1 
97-3 
3 1 
62.8 
66,0 
60.1 
72.2 
75-2 
784 
81.5 
84.9 
88 0 
91. 1 
94.2 
97*4 
100.5 
32 
64.8 
68. 2 
71.4 
74 - 6 
77*7 
81.0 
84.2 
87.7 
90.9 
94.1 
97 3 
100.5 
103.8 
33 
66.9 
70.3 
73 - 6 
76 9 
80. 1 
83*5 
86.8 
90.4 
93-7 
97.0 
100.3 
103.6 
IOJ.O 
34 
68.9 
72.4 
75-8 
79.2 
82.5 
86.1 
89.4 
93 - 2 
96.6 
100.0 
l0 3*4 
106.7 
I 10-3 
35 
70.9 
74-5 
78.0 
81.5 
84.0 
88.6 
92.0 
95-9 
99.4 
102.9 
106.4 
109.9 
11 3 5. 
O 
3 6 
7 3.0 
76.7 
80.2 
83.8 
86.4 
91. 1 
94.6 
98.6 
102.2 
105.8 
109.4 
113. 1 
1 10.0 
37 
75 -° 
78.8 
82.5 
86.2 
88.9 
93*6 
97 3 
IOI.4 
105. 1 
108.8 
112.5 
I 10.2 
120.0 
3 8 
77.0 
80.9 
84.7 
88.5 
9 X *3 
96.2 
99.9 
IO4. I 
107.9 
1 1 1.7 
ii 5*5 
1 x 9*3 
123.2 
39 
79.0 
83.1 
86.9 
9O.8 
93*7 
98.7 
102.5 
I 06 .Q 
1 10 8 
U4.7 
i 18.6 
122.5, 
126.5 
40 
I81. 1 
85.2 
89.2 
93 2 
97.2 
101.2 
105.2 
IO9.6 
113*61 
|i!7.0 
12 1 .6 
i2«; 6| 
VOL. LXVII. 4G , TABLE 
