38 F. L. EKMAN, 



y= 1 + 0. 000030 j 82 . t 

 + 0. 000000821 8 . t 2 

 - O.0000O0058553 . t' 6 . (A. 3). 



d) Hafsvatten af sp. vigten 1.02695 vid jf;. 



Villkorseqvationer : 



5 . a + 25 . b + 125 . c = 0.000414. 

 10. a + 100.6+ 1000 .c = O.001104. 

 15. a + 225.6+ 3375 . c = O.002041. 

 17. a +289. 6+ 4913 . c = O.0Ö2475. 

 20 . a + 400 . 6 + 8000 . c = 0.003195. 

 23 . a + 529 . 6 + 12167 . c — 0.003993. 

 25.a + 625.6 + 15625. c = 0.004557. 

 28 . a + 784 . 6 + 21952 . c = 0.005486. 



Dessa leda till slutsystemet: 



2977. a + 67157.6+ 1589893. c= O.009072. 



67157. a + 1589893.6+ 38894693. c = 11.834696. 



1589893 . a + 38894693 . 6 + 974610637 . c = 285.978428. 



hvaraf 



a = 



0.00005663209 Lo2\ a = 5.7530626 



&• 



6 = O.000O05622846 Loö". 6 = 6.7499562 



'&■ 



C=— 0.00000002335705 Loff. C = 8.3684180?i. 



&• 



y —l . + 0.000056632 . t. 



+ 0.00000502285 . f. 



- 0.000000023357 . t 3 . (A. 4) 



B. TEMPERATUREN UNDER 0°. 



a) Hafsvatten af sp. vigten l~.oi.603 vid {fö. 

 Villkorseqvationer. 



- 5. a + 25.6- 125 



. C = 0.000144. 



-4.a + 16 .6- 64, 



. C = 0.000088. 



- 3 . a + 9.6- 27 . 



, C = 0.000045. 



- 2 . a + 4.6- 8. 



C = 0.000012. 



- 1 . a + 1.6- 1 . 



. C = 0. 000002. 



Dessa leda till slutsystemet: 





55 . a - 225 . 6 + 979 



. C= - 0.001233. 



225. a- 979.6+ 4425 



. C = — 0.005463. 



979. a -4425. 6 + 20515 



. C = — 0.024945. 



