/j'uiiiiiii^nrs o/t/iska egenskaper. 



75. K^C,H,0,. À = 486- 1 lia, / = + 18' 



A 



XXX [ 



B 



76. A:,c,/y,o,. k = 486-1 lin, t = + 25" 



A 



B 



X:o -2. 



