388 
A P P E N D I X • NO. VI, 
5 . 
Position LT. 
The latitude is the mean of the uncorrected dead reckoning and observation with 
pocket-sextant and artificial horizon. The dead reckoning gives latitude 81° 24*8'. 
The observation is— 
o . 
r 
59*5 
O 66 
4*0 
65 
31-8 
Altitude O centre. 
.. 32 
45*9 
Refraction—Parallax. 
1*3 
Correct Altitude. 
. 32 
44*6 
Declination. 
25*8 
9 18-8 
Latitude. 80° 41*2' by observation. 
6 . 
Position LIV. 
The latitude is determined in the same way as the preceding; the dead reckoning 
givos latitude 80° 55*6'. 
The observation is— 
o r 
1854, June 26. 0 65 35-0 
© 66 40-0 
6G 
7*5 
Altitude 0 centre.. 
. 33 
3*7 
Refraction—Parallax. 
1*3 
Correct Altitude 0. 
.. 33 
2*4 
Declination. 
22*6 
Latitude. 80° 20*2' by observation. 
7 . 
Position LVII. 
The position is determined in the same way as the preceding. The dead reckoning 
gives latitudo 80° 33*7'. 
The observation is— 
o r 
June 21...... © 66 21*5 
O 67 27*5 
66 54*5 
Altitude O centre. 33 27*3 
Refraction—Parallax.— 1*3 
Correct Altitude 0. 33 26*0 
Declination. 23 27*5 
Latitude 
9 58-5 
80° 1*5' by observation. 
