126 



Jungfrusunds lotsplats (lat. 59" 56', long. 40° 4' F.). 



y = m-\-n{v~ 1857). 

 m = 38,319. 

 w=— 0,220. 

 ^ («/)-- 4- 0,390. 

 £'0«)=-f 0,820. 

 ^(w) =1:0,090. 



Porkala lotsplats (lat. 59" 58', long. 42" 5' F.J. 



y^tn-^-niv— 1859). 

 m = 55,734. 

 n= - 0,278. 

 Eiy-) =4-0,339. 

 ^t;/0 = ± 0,853. 

 Ein) =+0,110. 



