130 



Observations of Magnetic Dip, January 7 — May 9, 1845. 



Gottingeu 

 Mean Time, 



Middle of 

 Observation. 





Mkedle. 



Pace of 



Circle E. 



Face of 



ClUCLE W. 







!, 



Dura- 

 tion. 



ni. 



Num- 

 ber. 



Tem- 

 pera- 

 ture. 



End 

 dip- 

 ping. 



Mark ni 



1 Nppdle 

 W. 



Mark oi 

 E. 



1 Needle 

 W. 



aiean. 



Observed 

 Dip. 



II 



d. h. m. 





■> 





o 



o 



o 



c 



o 



o 





Jan. 7 30 



... 



2 



•'••7 



B 



72 22-5 



71 29-0 



71 35-0 



70 57-5 



71 36-00*1 



j 



B 



Jan. 7 4 10 



20 



2 



36 



B 



72 22-0 



71 28-5 



71 42-0 



70 55-0 



71 36-87* 

 71 23-00*1 



71 29-72 



B 



Jan. 7 4 45 



20 



2 



36 



A 



71 22-0 



72 15-0 



70 410 



71 14-0 





B 



Jan. 7 23 30 



38 



2 



43 



A 



71 18-5 



72 6-5t 



70 38-Ot 



71 18-5 



71 20-37 ' 





W 



Jan. 8 15 



20 



2 



45 



A 



71 190 



72 5-5 



70 39-5 



71 170 



71 20-25 



71 29-28 



W 



Jan. 8 40 



20 



2 



46 



B 



72 39-0 



71 21-5 



71 51-5 



70 39-0 



71 37-75 



W 



Jan. 8 1 45 



20 



2 



46 



B 



72 38-0 



71 190 



71 54-0 



70 44-0 



71 38-75 





W 



Jan. 16 22 40 



25 



2 



37 



B 



72 37-5 



71 250 



71 49-5 



70 44-0 



71 3900 ' 





W 



Jan. 17 



25 



2 



39 



B 



72 44-0 



71 24-5 



71 550 



70 420 



71 41-37 



71 30-90 



B 



Jan. 17 30 



25 



2 



42 



A 



71 1-0 



72 29-5 



70 20-0 



71 300 



71 20-12 



W 



Jan. 17 1 35 



20 



2 



43 



A 



71 6-0 



72 30-5 



70 17-0 



71 390 



71 2312 





B 



Jan. 20 22 50 



17 



2 



35 



A 



71 1-0 



72 28-5 



70 140 



71 28-5 



71 18-00 ' 





W 



Jan. 21 4 40 



20 



2 



38 



A 



71 2-5 



72 25-5 



70 19-5 



71 320 



71 19-87 



71 28-68 



W 



Jan. 24 



32 



2 



40 



B 



72 300 



71 22-0 



71 530t 



70 48-5 



71 38-37 



W 



Jan. 24 4 40 



16 



2 



41 



B 



72 28-5 



71 22-5 



71 550t 



70 48-0 



71 38-50 





W 



Feb. 3 22 45 



21 



2 



37 



A 



71 7-0 



72 19-0 



70 27-5 



71 220 



71 18-87 " 





W 



Feb. 4 4 45 



20 



2 



45 



A 



71 5-5 



72 11-0 



70 32-5 



71 26-5 



71 18-87 



71 27-31 



W 



Feb. 7 



20 



2 



34 



B 



72 28-5 



71 190 



71 48-0 



70 41-5 



71 34-25 



W 



Feb. 7 4 50 



20 



2 



32 



B 



72 32.0 



71 19-5 



71 53-0 



70 44-5 



71 37-25 





W 



Feb. 10 22 30 



20 



2 



32 



A 



71 3-0 



72 26-0 



70 11-5 



71 250 



71 16-37 

 71 18-12 ' 

 71 40-12 





W 



Feb. 11 4 35 



20 



2 



33 



A 



71 20 



72 27-5 



70 18-5 



71 24-5 



71 28-68 



W 



Feb. 13 22 30 



19 



2 



36 



B 



72 51-0 



71 13-0 



72 1-5 



70 350 





W 



Feb. 17 23 50 



20 



2 



36 



B 



72 580 



71 16-5 



72 8-5 



70 34-5 



71 44-37 





B 



Feb. 18 4 55 



20 



2 



51 



B 



72 51-5 



71 16-0 



72 9-0 



70 44-5 



71 45-25 



71 32-06 



B 



Feb. 20 22 50 



18 



2 



37 



A 



71 4-0 



72 11-0 



70 31-0 



71 27-5 



71 18-37* 



W 



Feb. 21 4 50 



25 



2 



41 



A 



71 4-5 



72 11-5 



70 34-5 



71 30-5 



71 20-25* 





W 



Feb. 24 23 30 



26 



2 



36 



B 



72 37-5 



71 20-0 



71 55-0 



70 42-0 



71 38-62 ' 





W 



Feb. 25 5 



27 



2 



44 



B 



72 27-0 



71 18-5 



71 58-0 



70 48-5 



71 38-00 



71 28-53 



W 



Feb. 27 23 30 



25 



2 . 



38 



A 



71 1-5 



72 190 



70 25-5 



71 29-0 



71 18-75 



W 



Feb. 28 4 45 



21 



2 



42 



A 



70 53-5 



72 9-0 



70 34-5 



71 380 



71 18-75 





W 



Mar. 3 22 45 



25 



2 



38 



B 



72 43-5 



71 170 



72 2-0 



70 41-0 



71 40-87 ■ 





W 



Mar. 4 4 45 



25 



2 



36 



B 



72 41-5 



71 17-5 



72 1-5 



70 41-5 



71 40-50 



71 29-43 



W 



Mar. 6 22 30 



30 



2 



37 



A 



70 54-0 



72 30-5 



70 15-5 



71 35-5 



71 18-87 



w 



Mar. 10 22 35 



20 



2 



44 



A 



70 58-0 



72 31-5 



70 13-5 



71 350 



71 19-50* 





B 



Mar. 11 4 50 



... 



2 



44 



A 



70 56-5 



72 16-5 



70 22-5 



71 45-5 



71 20-25 ' 





B 



Mar. 12 5 



15 



2 



49 



A 



70 50-0 



72 240 



70 21-5 



71 41-0 



71 19-12 



71 26-52 



B 



Mar. 17 22 20 



30 



2 



37 



B 



72 100 



71 26-5 



71 440 



70 580 



71 34-62 ' 



W 



Mar. 18 4 50 





2 



59 



B 



72 4-0 



71 23-5 



71 44-0 



70 57-0 



71 32-12 





W 



Mar. 20 22 40 



25 



2 



36 



B 



72 9-5 



71 28-5 



71 43-0 



70 51-5 



71 33-12 " 





W 



Mar. 22 4 50 



20 



2 



54 



B 



72 3-5 



71 26-0 



71 42-0 



70 58-0 



71 32-37 



71 27-40 



W 



Mar. 24 22 50 



20 



2 



56 



A 



71 2-0 



72 27-0 



70 22-0 



71 32-5 



71 20-87 



B 



Mar. 25 5 



20 



2 



50 



A 



71 5-0 



72 23-5 



70 28-5 



71 36-0 



71 23-25 





B 



Apr. 3 22 50 



35 



2 



40 



A 



70 56-0 



72 15-0 



70 240 



71 28-5 



71 15-87 ] 





W 



Apr. 4 4 50 



26 



2 



46 



A 



70 56-0 



72 120 



70 29-5 



71 30-0 



71 16-87 1 



71 28-43 



W 



Apr. 7 23 10 



23 



2 



50 



B 



72 26-0 



71 21-0 



72 3-0 



70 530 



71 40-75 ( 



W 



Apr. 8 5 



20 



2 



53 



B 



72 29-5 



71 20-5 



72 2-0 



70 49-0 



71 40-25 j 





W 



Apr. 11 



25 



2 



45 



A 



71 1-5 



72 16-0 



70 23-0 



71 34-5 



71 18-75 1 





W 



Apr. 11 5 



23 



2 



46 



A 



70 59-5 



72 16-0 



70 23-5 



71 340 



71 18-25 I 



71 27-59 



w| 



Apr. 24 22 50 



22 



2 



50 



B 



72 200 



71 29-5 



71 48-0 



70 530 



71 37-62 ( 



W| 



Apr. 25 4 50 



20 



2 



65 



B 



72 14-5 



71 25-5 



71 48-0 



70 55-0 



71 35-75 J 





Wi 



Apr. 28 23 25 



25 



2 



62 



A 



71 1-0 



72 190 



70 22-5 



71 370 



71 19-87 1 





w; 



Apr. 29 4 50 



15 



2 



65 



A 



71 2-0 



72 19-5 



70 18-5 



71 360 



71 1900 1 



71 27-96 



w 



May 1 23 50 



20 



2 



61 



B 



72 28-0 



71 18-5 



71 55-0 



70 45-0 



71 36-62 j 



w 



May 2 4 50 



20 



2 



62 



B 



72 25-0 



71 170 



71 57-5 



70 46-0 



71 36-37 J 





w 



May 9 23 





2 



53 



A 



70 48-5 



72 100 



70 32 



71 43-5 



71 18-50 



71 26-75 



w 



Azimutb 30° 



... 



2 



53 



A 



73 20 



73 48-5 



72 390 



73 28-5 



73 14-50 





Wl 



Azimuth 60° 





2 



53 



A 



79 47-5 



80 49-0 



79 34-0 



80 45-5 



80 14-00 





wl 



Azimutb 90° 



... 



2 



53 



A 



89 27-0 



90 450 



89 14-5 



90 23-0 



89 57-37 





W| 



Azimuth 120° 



... 



2 



53 



A 



80 51-5 



79 35-0 



81 1-5 



80 4-0 



80 23-00 



1 



w] 



* 

 Jan. 7d 23h 30m. Tl 



diately after at 8* Oh 1 

 Jan. 24d Oh and 24d 

 April 3d 22h. Hori 

 May 9d. Observatk 



from the observation at 



)servations 

 le two reac 



■th. The r 

 zontal Icvc 

 ms made i 

 that time, 



conside 

 lings ft V 



eadings i 

 1 rather 

 1 dift'eren 

 A dippin 



red good 

 rere dou 



t were n 

 out. At 

 t azimut 

 ?» and fr 



btful, as 



nsatisfac 

 ril 4d 4h. 

 hs, for th 

 oni the o' 



the needle whe 



tory for the sail 



Instrument 1 



c results, see tl 



^servation, Ma; 



a lifted always 



ne reason as abc 



jvelled before t 



le introduction 



lOd -2h 40m, B d 



t Observation 

 vibrated throu 



ve. 



his observatioi 

 , article Incline 

 ipping, bothob 



s considered ba 

 2;h 5° or ti° ; this 



1. 



)meter. The dip 

 ervations havii 



d or unsatisfactc 

 did not happen 



given opposite, 

 igbeen made in t 



ry. 



n observations m 



May 9d 23h, is dedi 

 he "magnetic meri 



ime- 1 



\ 



iced i 

 iian.i 



