JORDMAGNETISKA BESTÄMNINGAR I SVERIGE. 



59 



Observationsort. 



Lat. 



Long. 



Tid. 



N:o 



Station. 



Vliinch. 

 korr. 



Upsala 



magn.h. 



Biff. 



1870 

 A' 



Anmärkning. 



( 



Backskarpn. 











1 

 1871 



Sept. 3 



498 



2.6116 







1.5992 



+ 1.0124 



2.6108 



1 



1 Stark inver- 

 > kan från 



Dannemora 

 gruffält. 



Sjögrufvan. 

 N. Storrymning. 



30.12.6 



9.11.5 



" 



» 



" 



497 

 494 



4.7618 

 0.9519 



— 



" 



+ 3.1626 

 — 0.6473 



4.7610 

 0.9511 



Jungfrugrufvan. 



— 



— 



» 



» 



» 



496 



2.2563 



— 



» 



+ 0.6571 



2.2555 



malmlagren. 





S. Silfberget. 



— 



— 



o 



" 



» 



495 



1.5303 



— 



" 



— 0.0689 



1.5295 





Dannemora 1 

 grufvors j 



Osterby-äng. 

 Karmens damm. 



60.12.4 



60.12.2 



9.10.6 

 0.10.51 



1871 



Sept. 



3 



2 



493 



491 



1.6282 

 1.6001 



— 



1.5992 



+ 0.0290 

 + 0.0009 



1.6274 

 1.5993 



1 Stark inver- 

 \ kan från 

 gruffälten. 



närmaste om-\ 



Sundbron. 



60.12.2 



0.12.6 







A 



3 



500 



1.5866 



— 



» 



— 0.0126 



1.5858 



gifning. 



Harvik. 



60.11.4 



0.11.4 



" 



" 



2 



490 



1.5833 



— 



•• 



— 0.0159 



1.5825 



1 



| 



Film. 



60.13.9 



0. 9.8 



1871 



Sept. 



3 



499 



1.5396 







1.5992 



— 0.0596 



1.5388 





Dannemora- ) 



Morkarla-väg. 



60.10.7 



0. 8.9 



» 



» 



2 



492 



1.5424 



— 



» 



— 0.0568 



1.5416 





trakt. j 



Gisselby. 



60. 9.5 



0.13.0 



» 



.. 



2 



489 



1.5405 



— 



» 



— 0.0587 



1.5397 





1 



Rudden. 



60.12.1 



0.15.5 



" 



" 



3 



501 



1.5479 



— 



» 



— 0.0513 



1.5471 





Med. 



— 0.0566 



1.5418 



l 



Örby hus. 



60.11.1 



0.20.0 



1871 



Sept. 



4 



502 



1.5685 



— 



1.5991 



- 0.0306 



1.5678 



1 Sannolikt 





Wendel. 



60. 8. c 



0.25.3 



» 



» 



4 



503 



1.5352 



— 



» 



(— 0.0639) 



(1.5345) 



[lokal pertur- 



Tensla-trakt. 



Laby gästg.gård. 



60. 5.2 



0.30.1 



» 



" 



4 



504 



1.5677 



— 



» 



— 0.0314 



1.5670 



bation. 



| 



Backbol. 



60. 8.3 



0.14.0 



i) 



" 



2 



488 



1.5584 



— 



1.5992 



- 0.0408 



1.5576 





l 



Salsta. 



60. 3.8 



0.18.1 



" 



" 



2 



487 



1.5664 





» 



- 0.0328 



1.5656 





Med. 



- 0.0339 



1.5645 



[ 



Lena. 



60. 0.3 



0.20.2 



1871 



Sept. 



2 



486 



1.5803 



— 



1.5992 



— 0.0189 



1.5795 





Ehrentuna- ) 



Grenby. 



59.58.1 



0.22.1 



» 



» 



2 



485 



1.5768 



— 



» 



— 0.0224 



1.5760 





trakt. \ 



Björklinge. 



60. 0.8 



0.29.9 



» 



» 



4 



505 



1.5780 



— 



1.5991 



-0.0211 



1.5773 





l 



Ehrentuna. 



59.56.4 



0.27.7 



" 



" 



4 



506 



1.57(4 







■■ 



— 0.02N7 



1.5697 





Med. 



— 0.0228 



1.5756 



Upsala-trakt. 



t mil omkr. stad. 



59.51.6 



0.25.0 









(Se 



sid. 54 



) 





— 0.0233 



1.5751 



] 



Upsala stad. 





» 



» 









(Se 



sid. 53.) 





— 0.0118 



1.5866 



' Sp sid 51 



91 d. 51. 



» obs:ii 



Magnethus. 



» 



0.26.0 









(Se 



sid. 54.) 





— 0.IH6.". 



1.5821 





» kab. 



» (omgifn.) 



59.51.3 



0.25.7 









(Se 



sid. 50 



) 





— 0.0211 



1.577:; 



J 





Öja. A 



59.54.5 



1.23.9 



1870 



Sept. 



4 



282-284 



1.5590 







1.5977 



— 0.0387 



I 







B 



i) 



» 



1871 



» 



8 



449 



1.5581 



— 



1.5990 



— 0.0409 



\ 1.5586 





Sala-trakt. 



., C 

 Löfsta. A 



59.56.4 



1.11.2 



1870 



., 



9 

 3 



450-451 



281 



1.5593 

 1.5603 



— 



1.5978 



- 0.0397 



— 0.0375 



1 



■ 1.5621 







B 



59.57.6 



1.13.0 



1871 



Aug. 



ii 



452 



1.5688 



— 



1.5990 



- 0.0352 









Tärna. 



59.50.4 



1.20.1 



» 



» 



8 



448 



1.56:53 



— 



•■ 



— 0.0357 



1.5627 





Med. 



- 0.0373 



1.5611 





Wittinge. A 



59.53.8 



1. 3.7 



1870 



Sept. 



3 



280 



1.5514 



— 



1.5978 



— 0.0464 



1 1.5539 



) Lokal per- 



Skattmansö- J 



B 



59.53.9 



1. 3.2 



1871 



Aug. 



9 



453 



1.5564 



— 



1.5990 



— 0.0426 



1 turbation. 



trakt. 1 



Bredsjö. A 

 B 



59.54.6 

 59.54.4 



0.52.9 

 0.52.1 



1870 

 1871 



Sept. 



Aug. 



5 

 9 



285 

 454 



1.5675 

 1.5727 







1.5977 

 1.5990 



— 0.0302 



— 0.0263 



1 1.5702 





