Bond, Graham, and Peirce, on the Latitude of Cambridge. 
TABLE 
VI. 
201 
Computation of the Constants for the Reduction of the Hour Angles of 
a Lyre to the Axis of Collimation. 
Gbederars Date. pe end Interval of Passage from E. to W. Transit over Wire aed 
; A. B. | Cc. 10). is HOE FE: G. corr. 
©} Wb call hemi ai< IM. sp ml se im ley lm oe |e ma m. 8. nn 
B! Dec. 16 S. {3 43 37.7 /45 55.8 |48 11.6 |50 26.7 |52 41.1 [54 55.2 42.04 
G 23 Ss. 39.2 56.8} 12.5 27.0 41.7 543/57 5.6 | 40.16 
Mean _ 8.8 433395 45 56 30 43 12.05/50 26.8552 41.40|54 54.75 5.60) 41.10 
B! Dec. 19 N. [357 5. |54 530 52 412 |50 27.4 |48 12.0 45 50.2 |43 38.5 | 40.91 
BI 29 N. 6.0 54.0 | 42.1 14.9 ie 36.85 
Mean _N. [8.57 5.5054 5350 52 41.65/50 27.40/48 13.45/45 56.20/43 38 50) 38.88 
N. Interval reduced to lev. Sy, es F = | = ale Fara 
and deel. ofS: ints 3.57 4.2554 52.27 52 40.43/50 27.11/48 12.27/45 55.99/43 38.67) 
3 diff. of N. and S. intervals) 6 42.65, 4 27.98 2 14.19 0 0.13) 2 14.56) 4 29.42) 6 43.46 
Corr. of halfsum of N. and : 
Ae eee : 536 237 0.60, 0.00, 0.60] 2.37 5.36 
Corr. of intervals | s. 6 4301 4 30.35 2 14.79 0.13) 2 13.96] 4 27.01| 6 38 10 
Corr. of intervals INE 6 37.29 4 25.61) 2 13.59 0.13; 2 13.16] 4 31.79] 6 48.82 
TABLE VIII. 
Latitude of the Cambridge Observatory, neglecting the Deviation of the 
Plane of the Telescope from the Prime Vertical. 
1. From « Lyre. 
Ise ret Ml. end Transit. Latitude from Wire Me: 
er, (OeSeIs. A. meee a ON Isis Me dhe Tas G Mean. |Obs. 
B?/Dec. 15) N. | w. [4232 "| “ "50/41 , : " |5oail 3 
B 16) S. | E.& W. 48.23'47.11 |4759 48.47 49.09 [51.41 [48.41 w./48.59 64 
B! 19) N. | E.& Ww. 43.80/43.16 4860 47.92 |47.70 [49.36 [4302 4837] 7 
B? 20] S. E. 49.27:49.15 (50.82 50.59 (51.74 50.43 (51.46 |50.491 3 
@ 23) S. |B. & W. 47.45/47.28 47.61 |4729 |as5t 47.53 [4803 |47.67] 7 
G 24) N. E. 50.66/48.42 48.05 49.89 [49.76 [4962 |49.97 49.34] 3 
B 29 N. |E. & W. 47454681 47.05 45.95 E5125 46.41 E./47.03 E.|47.67| 54 
B'| Jan.1| 8S. Ww. 47.93/50.33  |48.07 -'4783 46.57 50.07 48 47] 3 
Mean 42 22 48.33/47.87 148.06 48.36 (49.19 (49.23 (|48.47 |aRa7 354 
2. From B Perse. 
Bi \Dec. 14) N. |B. & W./42 22 48.0148.40 [43.64 49.00 149.64 50.21 149.49 49.12) 7 
B? 16| S. |E & W. 43.2648.16 49.12 |48.10 4985 [4830 4s.o1  |lag5al 7 
B 17| S. E. 47914817 45.92 [48.02 [4949 [45.37 116.51 |47.34| 2 
B! 18) N. | E. 47.73}49.05  /48.87 [51.65 49.61 [4978 49.46] 2 
B2 20} N. | E. & W. 47.63.47.64 |48.05 47.48 14905 49.59 {49.04 48.35) 7 
G 24] S. E. 49.00,49.47 49.40 49.43 [50.01 (47.79 49.03 [49.10] 2 
G 25] N. |E. & W. 43.4147.63 881 {4726 [4865 1/4854 4345  |48,19| 7 
G 26] S. | E. & W. 43.07|47.20 [4797 [47.79 [48.61 E4601 E4753 E.|47.66| 53 
Mean 42° 22°4810/4799 _ 4844 [48.22 149.39 48.63  |48.62  |48.47/395 
37 
