MAGNETIC OBSERVATIONS 

 Tabulation of magnetic declinations observed at Alger Island Station— Contixm&A 



34 



Wednesday, July 26, 1905 



Chr'r 

 time 



h m 

 o 00* 

 02 

 04 

 06 

 08 

 10 

 12 

 14 

 16 

 18* 

 20 



22 



24 

 26 

 2S 

 30 



3» 

 34 



36 ! 

 38 



40 ; 



42 



44 



46 



48 



so 



52 



54 ; 



56 



S8 I 

 I 00 ! 

 02 

 04 

 06 

 08 

 10 

 12 



14 

 16 

 18 

 20 



22 



24 

 26 



Scale 

 readings 



l,eft Right 



East 

 decli- 

 nation 



+4.1 



+4.1 



52.70 

 5S.2 S6.0 



53.9 

 SI.2 

 55.8 

 S8.0 



54.2 

 51.8 



58.5 



32 

 34 

 36 

 38 

 40 

 42 

 44 

 46 

 48 

 50 



52 



54 

 56 

 58 



62.5a 

 62.5 63.2 



61.5 

 60.2 

 63.0 

 (0.7 

 58.4 

 61.0 

 65.8 

 68.2 

 60.0 



61.7 

 60.5 

 63.7 

 61.2 

 59.0 

 62.0 

 67.2 

 69.0 

 61.2 



50.7* 

 46.0 46. 5 

 47.2 48.0 

 47.6 48.1 

 48.5 48.9 



21 43 +4.0 



I 26 i 



07 

 I 22 

 j 26 

 I 21 II 

 I 20 56 

 21 04 

 204s 



31 



04 



08 



08 



16 



20 



21 



24 



27 



27 



40 



44 



49 



20 54 +4.1 



21 00 

 20 51 



43 



40 



38 



37 



36 



32 



32 



34 



35 



35 



39 



44 



46 



53 



57 



55 



51 



20 S8 



21 02 

 08 

 09 

 07 

 OS 

 10 

 06 

 02 

 07 

 IS 



18 



21 OS 

 20 50 



43 

 45 

 45 

 47 



:+4.i 



+4.0 



+4.1 



+4.0 



Magnet scale erect 



Temp. 

 C. 



Chr'r 

 time 



h m 

 a 00 

 02 

 04 

 06 

 08 

 10 

 12 



14 

 16 

 18 

 20 



22 



24 

 26 

 28 

 30 

 32 



34 



36 



38 



40 



42 



44 



46 



48 



SO 



52 



54 



S6 



58 



J 00 



02 



04 



06 



08 



10 



12 



14 

 16 

 18 

 20 

 22 



Scale 

 readings 



I,eft Right 



d d 



46.8 47.2 



50.80 

 54-2 34.8 



East 

 decli- 

 nation 



SS-3 

 55-0 

 54-2 

 50.8 



s6.o 

 SS.8 

 55. 2 

 SI. I 



36.26 

 24.4 26. 5 



25.8 

 24.2 

 25.0 

 29.8 

 31.2 

 34-2 

 31.0 

 31.8 

 3S.2 

 40.8 

 43.0 



S2.0 



27.1 

 26.2 

 26.3 

 31.8 

 32.4 

 34.7 

 32.0 

 32.3 

 36.4 

 41.2 



44.1 



53-2 



63.30 

 66.8 67.3 



24 



26* 



28 



30 



32 



34 



36 



38 

 40 

 42 

 44 

 46 

 48 

 SO 

 52 

 54 

 i(> 

 58 



S7.2 

 S6.2 

 62. 5 

 68.8 

 69.7 

 64.0 

 61.0 

 64.0 



67.7 

 69.0 

 69.2 

 67.8 

 68.8 

 74.0 

 71.9 

 67.2 



69.S 



67.1 



71.0 



77.0 



37.8 



41.2 



43-6 



43.0 



43-2 



39-6 



37-0 



45. 4 



48.9 



47.1 



48.4 



48.8 



44-5 



39.8 



36.3 



38.3 



40.2 



S8.8 



S8.2 



64. S 



70.9 



71.3 



64.9 



62.0 



65.0 



68.S 



69.8 



70.4 



69.0 



69.9 



75.2 



73-5 



68.7 



70.4 



68.5 



72.8 



77.8 



41.2 



44.8 



46.8 



46.2 



46.0 



42.8 



39-2 



46.S 



SO. 5 



49.0 



50.2 



50.0 

 45.8 

 41.2 

 37.9 

 40.8 

 42.2 



2044 

 SO 

 56 

 S8 

 57 

 56 

 SO 

 27 

 10 

 12 

 10 

 10 



19 

 20 

 24 

 20 

 20 

 26 

 35 

 38 



20 S3 



21 10 

 IS 

 01 

 00 

 10 

 20 

 21 

 II 

 07 



■. 12 

 17 

 19 

 20 

 18 



19 



27 



24 



17 



20 



17 



27, 



32 



34 



39 



43 



42 



42 



36 



32 



44 



SO 



47 



49 



49 



42 



35 



30 



34 



36 



Temp, 

 C. 



+3.9 



+3-9 



+3-6 



+3-4 



+3-4 



+3-7 



+3-8 



+3.8 



Wednesday, July 26, 1905 



Magnet scale erect 



Chr'r 

 time 



h m 

 4 00 

 02 

 04 

 06 

 08 



ID 

 12 



14 



16 



18 



20 



22 



24 



26* 



28 



30 



32 



34 

 36 

 38 

 40 

 42 

 44 

 46 

 48 

 50 



52 



S4 



S6 



S8 

 S 00 



02 



04 



06 



08 



10 



12 



14 



16 



18 

 20 

 22 

 24 

 26 

 28 



32 



34 

 ^ 

 38 

 40 

 42 

 44 

 46 

 48 

 SO 

 52 

 54 

 S6 

 S8 



Scale 

 readings 



Left Right 



d 

 39-0 

 36.8 

 31.8 

 29. 5 

 28.S 

 32.0 

 32.3 

 27-3 

 27.8 

 2S.8 

 22.7 

 ii-S 

 (>.% 

 41.8 

 49.2 

 45-2 

 46.0 

 44.8 

 42.7 

 42.3 

 39-4 

 36.4 

 39-9 

 39.8 

 39.0 

 40.5 

 36.6 

 36.0 

 38.0 

 i 40.2 

 I 38.8 

 I 37.8 

 39.8 

 I 41.0 

 41.0 

 46.1 

 41.2 

 43-4 

 47-6 

 47-2 

 44.7 

 47.8 

 46.2 



49-5 

 46.2 

 46.6 



47. S 



45.2 

 49-4 

 47-0 

 47.5 

 48. 5 

 51.6 

 49.2 

 SI. I 

 51.0 

 49-0 

 49.8 

 Si.i 

 50.8 



d 

 41.2 

 38.0 

 33-2 

 30.9 

 30.0 

 33.2 

 33-0 

 29.2 

 29.0 

 27-5 

 24.2 

 13.8 

 7-5 

 44-2 

 52.8 

 48.8 

 48. S 

 47.8 

 46.0 

 45-7 

 42.9 

 39-1 

 42.0 

 42.9 

 41.0 



42. S 



38.5 

 Z7-7 

 40.4 

 41.8 

 40.3 

 39-1 

 41.4 

 42.9 

 42.7 

 47.8 

 42-5 

 45-0 

 40.0 

 48.2 

 43.9 



48.8 



47.5 

 SO. 8 



47-2 



47.6 



48.3 



46. S 



SO. 2 



48.5 



48.6 



49.9 



S2.9 



S0.6 



52.7 



52. 2 



SO.o 



^■7 



52.3 



52. 



East 

 decli- 

 nation 



Temp. 

 C. 



21 35 

 30 

 23 

 19 

 17 

 23 

 23 

 16 

 16 

 13 

 21 08 

 20 51 



43 



20 so 



21 03 

 20 36 



57 



53 



32 



32 



47 



42 



47 



47 



43 



48 



41 



40 



44 



47 



44 



43 



46 



48 



48 



S6 



48 



32 



38 

 V7 

 S4 

 S8 



20 36 



21 01 

 20 36 



S6 

 S8 



20 34 



21 01 

 20 57 



20 38 



21 00 

 04 

 01 

 04 

 04 

 00 

 01 

 04 

 03 



+3.8 



+3.8 



+3-9 



-1-4.0 



+4.0 



-1-4.0 



+4.1 



+4.1 



Chr'r 

 time 



Scale 



readings 



Left Right 



East 

 decli- 

 nation 



h m 

 6 00 

 02 

 04 

 06 

 08. 

 10 

 12 



14 

 16 

 18 

 20 

 22 

 24 

 26 

 28 

 30 

 32 

 34 

 36 

 38 

 40 

 42 

 44 

 46 

 48 

 30 

 52 

 34 

 S6 

 38 

 7 00 

 02 

 04 

 06 

 08 

 10 

 12 

 14 

 16 

 18 



20 



22. 



24 



26 



28 



30 



32 



34 



36 



38 



40 



42 



44 



46 



48 



SO 



52 



54 

 S6 

 S8 



SO. 3 



52.0 



SI. 2 



52.0 



50.6 



50.5 



SO. 9 



49 



47 



45 



49 



48 



43 



45 



49.3 

 47.8 



32.0 



44-3 



39-9 



42.3 



32.3 



42.9 



41.0 



34-1 



30.8 



36.2 



36.S 



31-3 



36.0 



30.1 



32.9 



34.0 



30.8 



27.0 



32.3 



27-5 



26.3 



34-0 



35-4 



32.8 



38.3 



32.0 



36.7 



37.6 



36.0 



Z7-7 



36.9 



37.7 



38.4 



38.8 



41.3 



38.8 



36.7 



40.0 



42.8 



36.0 



39-4 



36.0 



30.3 



31.7 



51.0 



53.0 



52.0 



52.5 



51.9 



51.7 



52.6 



50.6 



49.3 



46.8 



SI.6 



SO.o 



47.0 



46.1 



49.9 



48.9 



52.8 

 43.0 

 40.8 

 43.9 

 52.5 

 43 -o 

 41.6 

 36.2 

 32.2 



37. S 



37-0 

 32.9 

 36.8 

 31.2 

 33.1 

 3S.3 

 33.8 

 28.1 

 33-7 

 28.0 

 27.9 



35-9 



36.6 



34.2 



42.3 



34.3 



37-0 



39-6 



37.9 



38.9 



38.5 



39.3 



40.0 



40.3 



42.0 



39.6 



38.5 



41.0 



42.8 



37.0 



40.2 



36.6 



31. 1 



32.4 



21 02 

 05 

 04 

 05 

 03 

 03 

 04 

 21 01 

 20 59 



20 55 



21 02 

 21 00 

 20 55 



20 54 



21 00 



20 38 



21 05 

 20 52 



46 



20 SO 



21 05 

 20 SO 



47 



38 



32 



40 



40 



33 



40 



30 



34 



37 



Z?, 



26 



34 



26 



23 



38 



39 



35 



46 



35 



40 



43 



40 



43 



42 



43 



44 



44 



Temp. 

 C. 



+4.1 



+4-2 



+4-5 



+4.6 



+4.6 



+4.8 



44 

 41 

 46 

 50 

 40 

 45 

 40 

 31 

 33 



+4.8 



+4.8 



Observer— A. F. 



Observcrs-A. F. and W. J. P., who alternated from 6h cam to 

 Oh lam. 



