whereas the expedition reached altitudes at which considerably lower pressures 
had to be recorded; hence, besides Albrecht’s 34/ table the following was also 
calculated, and is here inserted, as it may be found useful in other cases. 
Barom. 
log B. 
Barom. 
log B. 
Barom. 
log B. 
Barom. 
log B. 
Barom. 
log B. 
mm. 
400 -0 
27387 
mm. | 
440 0 
23248 
mm. 
480 -0 
194 C 9 
mm. j 
520 0 
15993 
mm. 
560 -0 
12774 
i -o 
27279 
41 -0 
23149 
81 -0 
19378 
21 -o 
15909 
61 0 
12697 
2 0 
27170 
42-0 
23051 
82 -0 
19288 
22 0 
15826 
62 -0 
12619 
3 0 
27062 
43 0 
22953 
83 0 
19198 
23 0 
15743 
63 0 
12542 
4 0 
26933 
44 0 
22865 
84-0 
19108 
24-0 j 
15660 
64 -0 
12465 
5 -0 
26847 
45 -0 
22752 
85 -O 
19019 
25 0 
15577 
65 0 
12388 
6 0 
26740 
46 0 
22660 
86 0 
18929 
26 0 
15494 
66 '0 
12311 
7 -0 
26634 
47 0 
22562 
87 -0 
18840 
27 0 
15412 
(S? '0 
12235 
8 0 
26527 
48 -0 
22465 
88 0 
18751 
28 -0 
15330 
68 -0 
12158 
9 0 
26421 
49 0 
22368 
89 -0 
18662 
29 -0 
15247 
69 0 
12082 
410 0 
26315 
450 0 
22272 
490 0 
18573 
530 0 
15163 
570 0 
12006 
11 -o 
26209 
51 •<> 
22175 
91 0 
18485 
31 0 
15084 
71 0 
11929 
12 0 
26103 
52 -0 
22079 
92 -0 
18396 
32 0 
15002 
72 -0 
11853 
13 0 
25998 
53 0 
21983 
93 0 
18308 
33 0 
14920 
73 -0 
11778 
14 0 
25893 
54 0 
21887 
94 0 
18220 
34 -0 
14844 
74 -0 
11702 
15 0 
2578 S 
55 0 
21792 
95 -0 
18132 
35 -0 
14758 
75 -0 
11626 
16 0 
25684 
56 -0 
21697 
96 0 
18045 
36 0 
14677 
76 '0 
11551 
17 0 
25579 
57 -0 
21601 
97 0 
17957 
37 -0 
14596 
77 -0 
11475 
18 0 
25475 
58 -0 
21506 
98 -0 
17870 
38 0 
14515 
78 -0 
11406 
19 0 
25372 
59 -0 
21412 
99 0 
177«3 
39 0 
14434 
79 0 
11325 
420 0 
25268 
160 -0 
21317 
500 -0 
17696 
540 -0 
14354 
580 -0 
11250 
21 0 
25165 
61 0 
21223 
1 0 
17609 
41 0 
14273 
81 -0 
11175 
22 0 
25062 
62 0 
21129 
2 0 
17523 
42 0 
14193 
82 0 
11101 
23 0 
24959 
63 0 
21035 
3 0 
17436 
43 0 
14113 
83 -0 
11026 
24 0 
24856 
64 -0 
20941 
4 'U 
17350 
44 -0 
14033 
84 -0 
10952 
25 0 
24754 
65 0 
20848 
5 0 
17264 
45 0 
13933 
85 -0 
10877 
26 -0 
24652 
66 0 
20754 
6 0 
17178 
46 0 
13874 
86 -0 
10803 
27 0 
24550 
67 0 
20661 
7-0 
17092 
47 -0 
13794 
87 -0 
10729 
28 -0 
21449 
68 -0 
20568 
8 -0 
170 u 7 
48 -0 
13715 
88 -0 
10655 
29 0 
24347 
69 -0 
20476 
9 0 
16921 
49 0 
13636 
89 -0 
10581 
430 0 
24246 
470 -0 
20383 
510 0 
168 ; 6 
550 -0 
13557 
590 0 
10508 
31 0 
24145 
71 0 
20291 
11 0 
16751 
51 0 
13178 
91 0 
10434 
32 0 
24045 
72 -o 
20199 
12 -0 
16666 
52 0 
13399 
92 -0 
10361 
33 0 
23944 
73 -0 
20107 
13 -0 
16581 
53 0 
13320 
93 0 
10288 
34 0 
23844 
74 0 
20015 
14 0 
16467 
54 -0 
13242 
94 0 
10214 
35 0 
23744 
75 0 
19924 
15 O 
16412 
55 -0 
13164 
95 -0 
10141 
36 -0 
23644 
76 0 
19832 
16 0 
16328 
56 -0 
13086 
96 -0 
10068 
37 -0 
23545 
77 -0 
19741 
17 0 
1 H 244 
57 -0 
13088 
97 0 
9996 
38 -0 
23444 
78 -0 
19650 
18 0 
16160 
58 -0 
12930 
98 -0 
9923 
39 0 
23347 
79 0 
1 
19559 
19 0 
16076 
59 0 
12852 
99 0 
9850 
The value of log B, given in this table, is calculated with the formula: 
log B = log ({7-12407 - 10}6), 
in which b is the barometric pressure in millimetres. (1 mm. = about /-g-th inch.) 
308 
