EXTRA OBSERVATIONS OF MAGNETOMETERS, JULY 4, 9. 1842. 57 
DECLINATION. Biriuar. BALance. DECLINATION, BIFILanr. BALANCE. 
Gottingen 
4 Gottingen 
Mean Time. *| Reading 
Reading in.| Reading | jfoan Time. || Min- 
Reading Min.| Reading in.| Reading 
Cor- Cor- of Cor- Cor- 
Radial rected. -| rected. Obs. Beduced: rected. . | rected, 
Se. Div. Se. Div. 5 Mice. Div. 
July 131-85 131-98 577°8 
July 132-33 : 131-05 576-3 
131-25 : 125-75 602-5 
j 128-50 616-0 
133-40 612-6 
128-30 618-7 
131-12 9: 130-92 611-1 
134-07 - 132-87 || : 619-5 
130-25 ; 135-22 || 613-5 
127-70 : 137-70 609-0 
(134-53) ; 131-25 629-2 
135-22 : 126-75 627-4 
129-43 572-7 
132-40 : 136-08 533-7 
132-73 542.6 
135-28 : 132-47 542-9 
136-68 : 134.20 548-4 
135-95 : 135-08 550-2 
123-40 ; 137-08 || 2 552.8 
128-30 : 137-23 555-1 
135-62 557-6 
132.47. || ¢ 560-5 
127-50 128-57 568-0 
: 127-17 569-0 
123-87 : 127-50 566-2 
127-50 | 49 | 565-9 
123-87 j. 128-50 571.0 
122-93 : 129-72 562.7 
123-47 5 3 127-23 557-7 
124-00 : 128-03 555-5 
122-20 ; | 127-30 552-2 
123-27 : 125.42 549.3 
123-60 4 5 122.27 551-3 
122.93 : 122.73 558-7 
123-80 127.43 562-2 
123-20 : 130-38 | ¢ 550-4 
131-52 544.5 
119-58 4 132-73 530-7 
119-18 : : 131-45 534-6 
123-73 ; 131-65 533-8 
131-25 525.9 
126-90 3 : 130-52 530-3 
123-87 : 130-32 531-0 
121-05 4 35 130-92 531-7 
130-25 : ; 131-52 3 | 528-1 
128-83 : 131-65 529-9 
130-92 ‘ j 131-65 530-8 
126-42 
126-82 < 136-15 530-6 
128-97 | 
128-57 : 133-13 524.8 
132-05 
131-12 
131-85 : 134-33 565-6 
128-03 502. 
134-20 : 30 | 132-27 || 32 | 543-7 
133-53 : 36 | 132-93 || 38 | 548-2 
July 44 2h 18m, The reading in brackets made at 18™ 505, 17™ 35s till 19™ 15s, the Bifilar magnet went down 484i. 
Bifilar Thermometer. July 44 14, 59°6; 24,60°5; 3h, G1°2; 5b, 624; 6h, 62°8; 7b, 62°9; 94 5h, 65° 1. 
Balance Thermometer. July 441, 59°-2; 2h, 59°-9; 3h, 60°5; 54, 61-7; 6b, 622; 7b, 624; 94 5h, 637, 
Ares of Vibration. Bifilar Magnet. July 44 1» 58™, 10div; 2h 7m, ]Qaiv > Qn gm, 4Qdiv ; Bb 31m, 1gdiv, 
See note, page 51, on the observations in brackets. 
MAG. OBS. VOL. I. = 
