AT THE OBSERVATORY AT PARAMATTA 
129 
a Muscse. (Ann. Var. — 19".875.) — (Continued.) 
Superior Culmination. 
Inferior Culmination. 
a 
Microscopes. 
a 
Microscopes. 
1828. 
Barom. 
1828. 
H 
X. 
ii. 
hi. 
IV. 
JS 
H 
I. 
II. 
III. 
IV. 
inches. 
/ // 
/ // 
/ // 
✓ ✓/ 
inches. 
o / / 
/ // 
/ // 
June 8 
29.40 
55 
22 
2 9.5 
2 15.2 
2 26 
2 11 
June 16 
30.02 
38 
338 29 23.4 
29 24.5 
29 31 
29 31 
16 
29.81 
55 
99 
» 13.4 
» 10.2 
„ 19.3 
» 13 
17 
30.13 
35.5 
„ „ 29.3 
„ 28.0 
„ 33.6 
„ 34 
17 
30.03 
51.5 
99 
„ 13.0 
» 11.5 
» 18.0 
» 12 
18 
30.32 
37 
„ „ 31.0 
„ 29.3 
» 38 
„ 35.3 
' 18 
30.20 
49.5 
99 
„ 18.0 
» 14-0 
„ 21.2 
„ 17.0 
29 
30.13 
48.8 
„ „ 19.0 
» 18.3 
„ 23.2 
* 29 
19 
30.34 
49.5 
99 
„ 18.0 
„ 11.4 
» 21.3 
„ 15.0 
July 3 
29.72 
37.7 
)* » 32 
„ 32.3 
„ 35.8 
„ 38 
20 
30.27 
52 
99 
„ 13.0 
„ 10.4 
„ 22 
„ 13.3 
10 
29.98 
37 
„ „ 32.3 
„ 32.5 
„ 40.0 
» 40 
28 
30.22 
58 
99 
* 8 
„ 7.8 
» 16-8 
» 8.7 
11 
29.94 
33 
» „ 38.5 
„ 38 
„ 46.3 
„ 45 
July 1 
29.75 
58 
99 
„ 16.5 
„ 14.0 
» 22.7 
» 15-8 
14 
29.99 
41.7 
„ „ 30.0 
» 27.0 
„ 36 
„ 38.8 
2 
29.84 
53 
99 
„ 16.0 
„ 13.7 
„ 22.2 
„ 17.0 
15 
30.02 
33.2 
99 99 43.3 
„ 40.0 
» 46 
„ 50 
3 
29.69 
56 
99 
„ 20 
» 17.0 
„ 25.0 
„ 20.9 
16 
29.72 
57.7 
99 99 24.2 
» 21 
» 28.7 
„ 30 
5 
30.13 
58.5 
99 
» 20.5 
» 16.3 
„ 25.4 
» 18-2 
18 
30.00 
39 
» „ 31.1 
„ 29.7 
„ 38.5 
„ 38.3 
6 
30.20 
58.5 
99 
„ 18.0 
» 18.0 
„ 27.0 
„ 20.8 
19 
29.56 
44.4 
» » 38.3 
„ 39.5 
„ 46.0 
„ 45.0 
10 
29.81 
57 
99 
„ 18.2 
„ 17.0 
» 25 
„ 21 
July 5 
... Mean ... 
338 29 31.0 
29 30.0 
29 37 
29 37.9 
11 
30.05 
50.2 
99 
„ 20.4 
99 
» 25.7 
„ 20.2 
Refract, and Reduct. 
-5 1.2 
5 1.2 
5 1.2 
5 1.2 
14 
29 96 
50.0 
„ 22.0 
„ 18.0 
„ 29.2 
„ 22.5 
15 
30.00 
59.2 
99 
„ 18.8 
„ 18.0 
„ 28.2 
„ 23.0 
338 24 29.8 
24 28.8 
24 35.8 
24 36.6 
17 
29.66 
66 
99 
„ 23.6 
„ 17.0 
„ 25.0 
„ 26.3 
18 
29.87 
62 
99 
„ 20.0 
„ 15.5 
„ 24.0 
» 24.0 
June 29 
... Mean ... 
22 
2 17.0 
2 14.6 
2 23.5 
2 17.7 
Refract, and Reduct. 
-8.7 
8.8 
8.7 
8.8 
Superior Culminat. 
22 
2 8.3 
2 5.8 
2 14.8 
2 8.9 
Inferior Culminat... 
338 24 29.8 
24 28.8 
24 35.8 
24 36.6 
Half Diff. S. P. D. 
21 
48 49.2 
48 48.4 
48 49.5 
48 46.2 
Mean of 4 Microscopes 21° 48' 48".45 by 30 Observ. 
• 
s 
Microscopes. 
a 
Microscopes. 
1828. 
Barom. 
1828. 
H 
I. 
ii. 
III. 
IV. 
H 
I. 
ii. 
| III. 
IV. 
inches. 
/ // 
/ // 
inches. 
O 
O 1 II 
/ // 
/ II 
/ // 
July 21 
29.59 
22 
2 44.0 
2 32.0 
2 42.0 
2 36.2 
July 25 
30.14 
37 
338 29 55.4 
29 55 
30 0.0 
29 59.3 
22 
30.00 
57 
99 
„ 41.3 
„ 36.0 
„ 39 
„ 43.0 
26 
30.29 
35 
338 29 53.4 
29 56.3 
30 1.5 
30 5.2 
24 
30.07 
57 
99 
„ 44.0 
„ 37.5 
„ 46.7 
99 50 
July 25 
.5. ..Mean... 
338 29 54.4 
29 55.7 
30 0.75 
30 2.2 
26 
30.20 
59 
99 
„ 49.0 
„ 43.8 
„ 51.7 
„ 48.3 
Refract, and Reduct. 
-5 4.0 
5 4.0 
5 4.0 
5 4.0 
29 
30.00 
56 
99 
„ 54.0 
» 43.4 
„ 54.0 
„ 55.0 
Aug. 4 
30.17 
60.8 
99 
„ 50.0 
„ 46.2 
„ 52.8 
„ 48.5 
338 24 50.4 
24 51.7 
24 56.7 
24 58.2 
July 26 
... Mean ... 
22 
2 47.05 
2 39.8 
2 47.7 
2 47.0 
Refract, and Reduct. 
-11.1 
11.1 
11.1 
11.1 
Superior Culminat. 
22 
2 35.9 
2 28.7 
2 36.6 
2 35.9 
Inferior Culminat... 
338 24 50.4 
24 51.7 
24 56.7 
24 58.2 
Half Diff. S. P 
. D. 
21 
48 52.8 
48 48.5 
48 49.9 
48 48.8 
Mean of 4 Microscopes 21° 48' 50".01 by 8 Observ. 
Mean S. P. D. of a 
Muscse, Jan. 
1, 1828 . . . 
. . . 21° 
48' 48".54 by 83 Observ. 
MDCCCXXIX. S 
