ERRORIBUS MINIMIS OBNOXIAE. 
Triangulam 121. 
0. 
Harlingen .... 
. 50° 
58' 
15"238 
1. 
Leeuwarden . . 
. 82 
47 
1 5,351 
2. 
Ballum 
. 46 
14 
27,202 
Triangulum 122. 
3. 
Harlingen .... 
. 51 
5 
39,717 
4. 
Sneek 
, 70 
48 
33,445 
5. 
Leeuwarden . . 
. 58 
5 
48,707 
Triangulum 123. 
6. 
Sneek 
, 49 
30 
40,051 
7. 
Drachten 
, 42 
52 
59,382 
8. 
Leeuwarden . . . 
, 87 
36 
21,057 
Triangulu; 
m 124. 
9. 
Sneek 
45 
36 
7,492 
10. Oldeholtpade . . . 
, 67 
52 
0,048 
11. 
Drachten 
66 
31 
56,513 
Triangulum 125. 
12. 
Drachten 
53 
55 
24,745 
13. 
Oldeholtpade . . . 
47 
48 
52,580 
14. 
Oosterwolde . . . 
78 
15 
42,347 
Triangulum 127. 
15. 
Leeuwarden . . . 
59 
24 
0,645 
16. 
Dockum 
76 
34 
9,021 
17. 
Ballum 
44 
1 
51,040 
Triangulum 128. 
18. 
Leeuwarden . . . 
72 
6 
32,043 
19. 
Drachten 
46 
53 
27,163 
20. 
Dockum 
61 
0 
4,494 
Triangulum 131 
. 
21. 
Dockum ...... 
57 
1 
55,292 
22. 
Drachten 
83 
33 
14,515 
23. 
Groningen 
39 
24 
52,397