318 Mr Galbraith on a Table for correcting the Swi's Altitude. 
Obs . 
Height of the Eye above the Sea in Feet . 
Alt . 
6 
8 
10 
12 
14 
16 
18 
20 
22 
24 
26 
28 
30 
5 ° 0 
3 '. 8 
3'.l 
S'.i 
2 '. 8 
2 '. 5 
2 '. 2 
! 2'.1 
1'.8 
1'.6 
1'.4 
1'.2 
I'.O 
0'.8 
5 20 
4.3 
4.f 
3.6 
3.3 
3.1 
2.2 
i 2.6 
2.3 
2.1 
1.9 
1.7 
1.5 
1.3 
5 40 
4.8 
4 .^ 
4.1 
3.8 
3.5 
3.3 
1 3.1 
2.8 
2.6 
2.4 
2.2 
2.0 
1.8 
6 0 
5.3 
4.S 
4.6 
4.3 
4.0 
3.7 
' 3,5 
. 3.3 
3.0 
2.8 
2.6 
2.4 
2.2 
6 20 
5.7 
5.4 
5.0 
4.7 
4.4 
4.1 
3.9 
3.7 
3.3 
3.2 
3.0 
1 2.8 
2.6 
6 40 
6.0 
5.7 
5.3 
5.0 
4.7 
4.5 
1 4.3 
4.0 
3.8 
3.6 
3.4 
. 3.2 
3,0 
7 0 
6.4 
6.0 
5.7 
5.4 
5.1 
4.8 
1 4.6 
4.4 
4.1 
3.9 
3,7 
3.5 
3.3 
7 20 
6.7 
6.3 
6.0 
5,7 
5.4 
5.1 
4.9 
4.7 
4.4 
4.2 
4.0 
1 3.8 
3.6 
'■ 7 40 
6.9 
6.6 
6.2 
. 5,9 
5.7 
5.4 
' 5.2 
4.9 
4.7 
4.5 
4.3 
; 4.1 
3.9 
8 0 
7.2 
6.8 
6.5 
6.2 
5.9 
5.7 
5.4 
5.3 
5.0 
4.8 
4.6 
i 4.4 
4.2 
8 20 
75 
7.1 
6.7 
6.5 
6.2 
5.9 
' 5.7 
55 
5.2 
Xo 
4.8 
1 4.6 
4.4 
8 40 
7.7 
7.3 
7.0 
6.7 
6.4 
6.1 
5.9 
5.7 
5.5 
• 5.2 
5.0 
1 4.8 
4.7 
9 0 
7.9 
7.5 
7.2 
6.9 
6.6 
6.4 
6.1 
5.9 
5.7 
5.5 
5.3 
; 5.1 
4.9 
9 20 
8.1 
7.7 
7.4 
7.1 
6.8 
6.6 
6.3 
6.1 
5.9 
5.7 
5.5 
. 5.3 
5.1 
9 40 
8.3 
7.9 
7.6 
7.3 
7.0 
6.7 
6.5 
6.3 
6.1 
5.8 
5.6 
5.4 
5,3 
io 0 
8.5 
8.1 
7.8 
7.5 
7.2 
6.9 
6.7 
6.5 
6.2 
6.0 
5.8 
1 5.6 
5.4 
10 30 
8.7 
8.S 
8.0 
7.7 
7.4 
7.2 
6.9 
6.7 
6,5 
6.3 
6.1 
5.9 
5.7 
n 0 
8.9 
8.6 
8.2 
7.9 
7.6 
7.4 
7.2 
6.9 
6.7 
6.5 
6.3 
6.1 
5.9 
11 30 
9 1 
8.8 
8.4 
8.1 
7.8 
7.6 
7.4 
7.1 
6.9 
6.7 
6.5 
6,3 
6.1 
12 0 
9.3 
9.0 
8.6 
8.3 
8.0 
7.8 
7.6 
7.3 
7,1 
6.9 
6.7 
6.5 
6.3 
13 
9.6 
9.3 
9.0 
8.7 
8.4 
8.1 
7.9 
7.7 
7.4 
~ T2 
7.0 
6.8 
6.6 
14 
9.9 
9.6 
9.2 
8.9 
8.7 
8.4 
8.2 
7.9 
7.7 
7.5 
7.3 
7.1 
6.9 
15 
10.2 
9.8 
9.5 
9.2 
8.9 
8.7 
8.4 
8.2 
8.0 
7.8 
7.6 
7,4 
7.2 
16 
10.4 
10.1 
9.7 
9.4 
9.1 
8.9 
8.7 
8.4 
8.2 
8.0 
7,8 
7.6 
7.4 
17 
10.6 
10.3 
9.9 
9.6 
9.3 
9.1 
8.9 
8.6 
8.3 
8.2 
8.0 
7.8 
7.6 
18 
10.8 
10.4 
10.1 
9.'8 
9.5 
9.3 
8.8 
8.6 
8.4 
8.2 
8.0 
7.8 
19 
11.0 
10.6 
10,3 
10.0 
9.7 
9.4 
9.2 
9.0 
8.8 
8.5 
8.3 
8.1 
8.0 
20 
11.1 
10.7 
10.4 
10.1 
9.8 
9.6 
9.3 
9.1 
8.9 
8.7 
8.5 
8.2 
8.1 
21 
11.2 
10.9 
10.5 
10.2 
10.0 
9.7 
9.5 
9.2 
9.0 
8.8 
8.6 
8.4 
8.2 
22 
11.4 
11.0 
10.7 
10.4 
10.1 
9.8 
9.6 
9.4 
9.1 
8.9 
8.7 
8.5 
8.3 
2 ^ 
11.5 
11.1 
foTs 
10.5 
10.2 
9.9 
9.7 
9.5 
9.2 
9.0 
8,8 
8.6 
“ 8i4 
24 
11.6 
11.2 
10.9 
10.6 
10.3 
10.0 
9.8 
9.6 
9.3 
9.1 
8.9 
8.7 
8.5 
25 
11.7 
11.3 
11.0 
10.7 
10.4 
iO.l 
9.9 
9.7 
9.4 
9.2 
9.0 
8.8 
8.6 
26 
11.7 
11.4 
11.0 
10.7 
10.5 
10.2 
10.0 
9.7 
9.5 
9.3 
9.1 
8.9 
8.7 
27 
11.8 
11.5 
11.1 
10.8 
10.5 
10.3 
10.1 
9.8 
9.6 
9.4 
9.2 
9.0 
8,8 
28 ~ 
11.9 
11.6 
11.2 
109 
10.6 
10.4 
10.2 
9.9 
9.7 
9,5 
9.3 
9.1 
8.9 
30 
12.0 
11.7 
11.3 
11.0 
10,8 
10.5 
10.3 
10.0 
9.8 
9.6 
9.4 
9.2 
9.0 
32 
12.2 
11.8 
11.5 
11.2 
10.9 
10.6 
10.4 
10.2 
9.9 
9.7 
9.5 
9.3 
9,1 
34 
12.3 
11.9 
11.6 
11.3 
11.0 
10.7 
10.5 
10.3 
10.1 
9.9 
9.6 
9.4 
9.2 
36 
12.4 
12.0 
11.7 
11,4 
11.1 
10,8 
10.6 
10.4 
10.2 
9.9 
9.7 
9.5 
9.3 
38 
12.5 
12-1 
11.8 
11,5 
11.2 
10.9 
10.7 
Tor2 
10.0 
9.8 
9.6 
9.4 
40 
12.5 
12.2 
11.8 
11.5 
11.3 
11.0 
10.8 
10.5 
10.3 
10.1 
9.9 
9.7 
9-5 
42 
12.6 
12.2 
11.9 
11.6 
11.3 
11.1 
10.8 
10.6 
10.4 
10.2 
10-0 
9.8 
9.6 
44 
12.7 
12.3 
12.0 
11.7 
11.4 
11.1 
10.9 
10.7 
10.5 
10.2 
10.1 
9.8 
9.7 
46 
12.7 
12-,4 
12.0 
11.7 
11.5 
11.2 
11.0 
10.7 
10.5 
10.3 
10.2 
9.9 
9.7 
48 
12.8 
12.4 
12.1 
11.8 
11.' 5 
11.3 
11.0 
10.8 
10.6 
10.4 
10.2 
10.0 
9.8 
50 
12.8 
12,5 
12.2 
11.9 
11.6 
11.3 
11.1 
10.9 
10.6 
10.4 
10.3 
10.0 
9.8 
52 
12.9 
12.5 
12.2 
11.9 
11.6 
11.4 
11.1 
10.9 
10,7 
10.5 
10.3 
10.1 
9.9 
54 
13.0 
12.6 
12.3 
12.0 
11.7 
11.4 
11.2 
11.0 
10.7 
10.5 
10.3 
10.1 
9.9 
56 
13.0 
12.6 
12.3 
12.0 
11.7 
11.5 
11.2 
11.0 
10.8 
10.6 
10.4 
10,2 
10.0 
58 
13.0 
12.7 
1273 
12.0 
11.7 
11.5 
11.3 
11.0 
10.8 
10.6 
10.4 
10.2 
10.0 
60 
13.1 ; 
12.7 
12.4 
12.1 
11.8 
11.6 
11.3 
11.1 
10.9 
10.6 
10.4 
10.2 
10.1 
62 
13.1 
12.8 
12.4 
12.1 
11.8 
11.6 
11.4 
11.1 
10.9 
10.7 
10.5 
10.3 
10.1 
64 
13.2 
12.8 
12.5 
12.2 
11.9 
11.6 
11.4 
11 2 
10.9 
10.7 
10,5 
10.3 
10.1 
66 
13.2 : 
12.8 
12.5 
12.2 
11.9 
11.7 
11.4 
11.2 
11.0 
10.8 
10.6 
10.4 
10.2 
70 
13.3 . 
12.9 
li^e 
12.3 
12.0 
11.8 
11.5 
11.3 
11.0 
10.8 
10.6 
10.4 
10.2 
80 
13.4 
13.1 
12.'7 
12.4 
12.1 
11.9 
11.7 
11.4 
11.2 
11.0 
10.8 
10,6 
10.4 ; 
90 
13.6 
13.2 
12.9 
12,6 
12.3 
12.0 
11.8 
11.6 
11.3 
11.1 
10.9 
10.7 
10.5 
Month , 
Correction , 
0'.6 
1.1 
1.6 
2.1 
2.5 
2.5 
3.2 
3.5 
3.8 
4.0 
4.3 
4.5 
4.7 
4.9 
5.1 
5.3 
5.5 
5.7 
5.9 
6.2 
6.5 
6.8 
7.0 
7.2 
7.4 
7.6 
7.8 
7.9 
8.1 
8.2 
8.3 
8.4 
8.5 
8.6 
8.6 
8.7 
8.9 
9.0 
9.1 
9.2 
9.3 
9.4 
9.4 
9.5 
9.6 
9.6 
9.7 
9.7 
9.8 
9.8 
9.9 
9.9 
9.9 
10.0 
10.0 
lol 
10.2 
10.4 
O '. 5 
1.0 
1.5 
1.9 
2.3 
2.7 
3.0 
3.3 
3.6 
3.9 
4.1 
4.3 
4.5 
4.7 
4.9 
5.1 
5.4 
5.6 
5.8 
6.0 
6.3 
6,6 
6.9 
7.1 
7.3 
7.5 
76 
7.7 
7.9 
8.0 
8.1 
8.2 
8.3 
8.4 
8.5 
8.5 
8.7 
8.8 
8.9 
9.0 
9.1 
9.2 
9.3 
9.3 
9.4 
9.5 
9.5 
9.6 
9.6 
9.7 
9.7 
9.7 
9.8 
9.8 
9.8 
10.1 
10.2 
0'.3 
0,8 
1.3 
1.7 
2.0 
2-3 
2.7 
3.1 
3.4 
3.7 
3.9 
4.1 
4.4 
4.6 
4.7 
4.9 
5.2 
5.4 
5.6 
5.8 
6.1 
6.4 
6.7 
6.9 
7.1 
■ 7T3 
7.4 
7.6 
7.7 
7.8 
T9 
8.0 
8.1 
8.2 
8.3 
8.4 
8.5 
8.6 
8.7 
8.8 
8.9 
9.0 
9.1 
9.1 
9.2 
9.3 
9.3 
9.4 
9.4 
9.5 
9.5 
9.5 
9.6 
9.6 
9.7 
9.9 
10.0 
Jan . 
T^.S 
Feb . Mar . April , May , June 
X(K2Toa 
O'.O 
- O '. 2 
0'.2 
July , I Aug . I 
— 0 '. 2 — 0'-2 
Sept , 
^'.1 
Oct . I Nov . ' Dec . 
4 - 0 .' i | T ^.2 
40'.3 
