FROM thp: ordnance trigonometrical survey. 
623 
7. Danish Arc. 
4') -^7= — 0-369+0-55 13 /? — 0-85.3/ q. 
8. Prussian Arc. 
4)— ^3= —0-.368H-0-1 779/? — 0-2852 q. 
4 )— j:- 3= +3-790 + 0-5433 /?— 0-9157 q. 
9. Russian Arc. 
4>— .2:9= +0-248 + 0-9384/?— 1-3293 9. 
4> — ^g=+5-l 10+l-6049/?-2-5184^. 
x^p—x^z= +5-939+ 1 -6337/?— 2-5741 q. 
4>-a^9= +2-909+2-2809/? — 3-9289^. 
4- +5-276+2-8953 /? — 5-3824 q. 
10. Swedish Arc. 
4— a?,o=— 0-507 + 0-5839/?— 1-9711 q. 
From which we o!)tain the following quantities for the different arcs: — 
No. of 
Arc. 
(m) 
( a ) 
(^) 
{ am ) 
{ aa ) 
{ aU ) 
{ hm ) 
m 
1. 
+ 1-996 
+ 1-1225 
+ 5-6059 
+ 
2-2068 
1-2600 
+ 
6-2926 
+ 
11-0211 
31-4261 
2. 
+ 0-937 
0-5697 
+ 2-5835 
+ 
0-5338 
0-3246 
+ 
I-47I8 
+ 
2-4207 
6-6745 
3. 
+ 22-387 
16-996] 
+ 69-7507 
+ 142-2645 
104-8052 
+ 423-8645 
+ 581-1810 
1718-8272 
4. 
+ 5-990 
14-4096 
+ 5-2513 
+ 
18-3309 
45-1641 
4- 
11-1409 
— 
0-2661 
5-2976 
5. 
+ 38-951 
10-1831 
— 13-5553 
+ 
78-8302 
25-1874 
— 
41-2067 
— 
127-4937 
68-3661 
6. 
+ 3-679 
0-7263 
- 0-9294 
+ 
4-1247 
0-5275 
— 
0-6750 
— 
5-2780 
0-8638 
7. 
- 0-369 
0-5513 
- 0-8537 
— 
0-2034 
0-3039 
— 
0-4706 
+ 
0-3150 
0-7288 
8. 
+ 3-422 
0-7212 
— 1-2009 
+ 
1-9936 
0-3268 
— 
0-5482 
— 
3-3653 
0-9198 
9. 
+ 19-482 
9-3532 
— 15-7331 
+ 
40-0469 
19-7106 
— 
34-0396 
— 
68-3130 
59-1418 
10 . 
- 0-307 
+ 0-5839 
- 1-9711 
— 
0-2960 
0-3409 
— 
1-1509 
+ 
0-9994 
3-8852 
No. of 
Arc. 
M. 
A. 
B. 
M'. 
B'. 
1. 
+ 1-1034 
0-6300 
+ 
3-1463 
+ 
5-3106 
15-7131 
2. 
+ 0-2669 
0-1623 
+ 
0-7359 
+ 
1-2104 
3-3373 
3. 
+ 46-2918 
32-5885 
+ 127-4920 
+ 177-3163 
502-5376 
4. 
+ 6-0003 
15-5021 
+ 
0-3313 
— 
4-7597 
1-3583 
5. 
+ 29-2602 
12-2204 
— 
21-4027 
— 
51-7569 
38-1202 
6. 
+ 2-0624 
0-2638 
— 
0-3375 
— 
2-6390 
0-4319 
7. 
— 0-1017 
0-1519 
0-2333 
+ 
0-1575 
0-3644 
8. 
+ 1-1710 
0-1334 
— 
0-2593 
— 
1-9957 
0-4391 
9. 
+ 9-6768 
5-1302 
— 
9-5138 
— 
17-2270 
17-8868 
10. 
— 0-1480 
0-1705 
— 
0-3755 
+ 
0-4997 
1-9426 
Sums 
+ 95-5831 
66-9731 
+ 
99-3812 
+ 106-3162 
582-1313 
4 N 
MDCCCLVI. 
