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Zenith diftances of the Pole-Star. 
1774- 
Degrees. 
Parts' ot 96. 
Barom, 
Therm. 
Nov. 10 
D. M. S. 
3S 27 56 
P. S. V. 
37 91- 
Inches. 
30.05 
Degrees. 
31 
1 1 
35 27 55 
37 6 9I; 
29,87 
32 
35 27 ^6 
37 6 91- 
30,20 
34 
Mean 
35 27 55>6 
37 6 9i 
30,04 
32,3 
Dec. 6 
35 28 8 
37 6 lof 
30,27 
30 
IS 
35 28 4 
37 6 loi 
30,03 
44 
Mean 
35 28 6 
37 6 lo-ri^ 
30,15 
37 
Dec. 1 2 
39 *5 0 
41 6 14I 
29,83 
44 
*3 
39 *5 4 
41 6 15 
28,86 
44 
39 IS 0 
41 6 14I 
30,08 
38 
Mean 
39 15 i’3 
41 6 144 
29.59 
42 
Take the mean between the two fcales of divifions,. 
and we have the mean zenith diftances, as follows : 
Days of the month. 
Obf. zenith dift. 
Cleared of retr. 
Nov. 10 II 13 
Dec. 6 15 
Dec. 12 13 15 
D. M. S. 
35 27 49,5 
35 28 0,3 
39 14 59,3 
D. M. S. 
35 28 33,3 
35 28 44, 
39 15 46,7 
The mean zenith diftance of Nov. i o. 1 1 . 13. cleared 
Oft/ // 
of refradlion, is 35 28 33,5. To this add 7,5 for the 
increafe of apparent declination between Nov. 12. and 
Dec. 1 2. and we have the zenith diftance on Dec. 1 2. (as 
derived from the obfervations in November) 35° 28^4 
D d d 2 The 
