JORDMAGNETISKA BESTÄMNINGAR I SVERIGE. 



25 



§ 15. 



Absoluta bestämningar under 1870. 



N:o 



Dag. 



Observationsort. 



'/ 



t 



ri 



| T,.. 



t Y 



n 



-\,„ 



log u 







Magnet 



I. (Resapp.) 















202, 203 



Maj 



27 



Stockholm 



magnethus 



32°.27'.36" 



8°. 7 



— 



456'. 9 60 



8°. 5 



17'.8 



— 



1.5910 



9.20 4031 



214, 216 



Juni 



27 



Upsala 



magn.tomt 



32. 6.33 



14.8 



60.7 



456.530 



15.5 



16.3 



60.0 



1.6002 



3192 



217, 218 



» 



» 



» 



Carol. p. L 



36.32 



14.2 



63.5 



460.060 



16.3 



16.3 



60.7 



1.5765 



2987 



227, 228 



Juli 



12 



» 



» M 



27.16 



19.i 



64.o 



459.179 



18.8 



13.8 



66.3 



1.5797 



2712 



229, 230 



Aug. 



1 



» 



magn.hus 



31.41.22 



18.o 



68.4 



458.716 



18.0 



12.7 



59.3 



1.6001 



9.19 9515 



231, 232 



.. 



6 



» 



» 



45.31 



19.8 



59.5 



459.0 52 



19.6 



6.8 



59.9 



1.5996 



9190 



234, 236, 237 



» 



10 



» 



» 



44.10 



18.0 



60.3 



459.0 9 7 



18.9 



9.2 



60.9 



1.5997 



8828 



238, 239 



» 



12 



»- 



» 



40.51 



20.1 



68.8 



45S.7io 



19.2 



9.2 



67.9 



1.5978 



9104 



241, 242 



» 



15 



» 



» 



37.10 



15.2 



77.2 



457.947 



14.7 



9.5 



78.0 



1.5972 



8794 



243,244 



» 



16 



>» 



» 



43.28 



14.8 



65.i 



458.810 



14.3 



9.5 



64.4 



1.5986 



8686 



246, 249, 251 



» 



22 



ti 



.. 



47. 



12.4 



63.9 



459.840 



11.8 



8.7 



46.0 



1.5989 



9033 



/253-256\ 



\ 258, 260 / 



263, 264 



» 



25 



» 



Observat. 



32. 4.56 



11.6 



69.5 



461.ooo 



11.7 



9.0 



67.3 



1.5814 



85 7 7 



» 



26 



» 



» 



6.49 



13.9 



63.4 



460.880 



12.5 



9.0 



67.0 



1.5827 



8590 



275, 276 



i) 



31 



» 



magn.hus 



31.43.34 



13.1 



67.7 



459.002 



12.7 



10.3 



62.3 



1.5978 



8658 



277, 278 



Sept. 



2 



» 



» 



47.13 



12.1 



62.7 



459.253 



12.2 



10.7 



60.7 



1.5974 



8459 



287, 288 



» 



8 



» 



Bot. trgd. F 



59.17 



15.!) 



57.:; 



460.651 



16.5 



10.2 



61.0 



1.5894 



8421 



289,291 ' 



» 



» 



» 



E 



53.40 



15.0 



63.7 



460.34 5 



15.i 



10.2 



61.7 



1.5906 



8415 



293—296 



.. 



9 



» 



magn.hus 



45. 5 



13.4 



61.6 



459.219 



14.o 



8.8 



61.1 



1.5987 



8359 



301, 302 



Okt. 



3 



» 



» 



36.26 



14.4 



64.5 



160.13U 



11.5 



9.8 



63.8 



1.59 7 2 



6361 



303—305 



» 



4 



» 



» 



:i.VI'.t 



10.5 



64.2 



460.H3 



9.6 



9.8 



64.5 



1.5972 



6091 



306—308 



• 



15 



» 



» 



42.29 



4.0 



62.8 



460.184 



3.4 



12.5 



62.i 



1.5957 



6035 







Magnet 



I. (Stc 



ra theo 



i). 













223. 224 



Juli 



7 



Ui>sala 



magn.hus 



29.56.59 



14.i 



62 8 



156.790 



14.3 



12.6 



60.8 



1.5996 



9.20 2703 1 ) 



225, 226 



» 



9 





• 





■ 



58.14 



16.o 



60.7 



457.025 



15.4 



12.6 



57.o 



1.5996 



2910 



232, 233 



Aug. 



t; 





> 







38.49 



19.9 



60.4 



459.052 



19.6 



6.8 



59.9 



1.5999 



9.19 9160 



235, 237 



» 



10 





> 





■ 



41.11 



18.2 



59.9 



459.097 



18.9 



9.2 



60.9 



1.5990 



8955 



238,240 



» 



12 





< 





. 



38.29 



18.9 



64.0 



458.7io 



19.2 



9.2 



67.9 



1.5982 



9051 



243, 245 



» 



16 





> 





> 



38. 2 



15.o 



67. 8 



458.8io 



14.3 



9.5 



64.4 



1.5979 



8782 



294, 297 



Sept. 



9 





• 





■ 



37.39 



12.6 



67.2 



459.219 



14.o 



8.8 



61.1 



1.5982 



8426 



298— 300 



» 



18 





. 





> 



43.56 



8.8 



62.8 



459.280 



10.9 



11.2 



64.2 



1.5960 



8197 



§ 16. Variations-instrumenten under 1870. 



Enligt kolumnen X m i föregående tabell finner man, med afseende på de i Upsala 

 magnethus anstälda observationerna, att variations-instrumentens deviationsmagneter 

 visat sig konstanta till d. 1 Aug. Man har nemligen: 



l ) Direkt erhöllos med Stora theod. följande o-värden, hvilka reducerats enligt s. 19 medelst 0.0 13360: 



v Juli 7 9.18 9343. Allg. 12 9.18 5638. 



» 9 9550. » 16 5519. 



Aug. 6 5770. Sept. 9 5134. 



» 10 5722. »> 18 4837. 



K. Vet. Akad. Haudl. B. 10. N":o 12. 



