A. Die Hannoversche Dreieckskette. 
XXIII. Neuwerk — Langwarden — Wangeroog. 
= 51 5a 28,257 — (93) + (94) 
= 75 8 41,04a+ (85)—(89) 
= 52 58 53,9 l8 — (81)+ (82) 
Neuwerk 
Langwarden 
Wangeroog 
Summe = 180 o 3,2.17 
180° +£ = 180 o 3,283 
o = — 0,066 — (81) + (8a) + (85) — (89) — (93) + (94) 
XXIV. Sievern — Neuwerk — Langwarden. 
Sievern 
Neuwerk 
Langwarden 
Summe 
= 88 49 57,956 —(96)+ (97) 
= 3 6 34 37,77! —(9*) + (93) 
= 54 35 26,263 (85) + (86) 
— 180 
180 0 + £ — 180 
I ,99° 
1,674 • 
o = + 0,316 — (85) + (86) — (92) + (93) — (96) + (97) 
XXV. Silberberg — Sievern — Neuwerk. 
Silberberg 
Sievern 
Neuwerk 
Summe 
= 45 18 45,170 —(101) +(102) 
= •89 57 20,836+ (95)— (97) 
= 44.43 55, 6 5i— (91)+ (92) 
= 180 
180 0 + £ = 180 
0,611 — (91) + (92) + (95) — (97) — (101) + (102) 
XXVI. Friedrichskoog — Silberberg — Neuwerk. 
Friedrichskoog 
Silberberg 
Neuwerk 
Summe 
= 83 46 50,253 — (105) + (106) 
= 37 2-4 41,638— (102)+ (103) 
= 58 48 30,015— (9°)+ (9 1 ) 
— 180 
180 0 + e = 180 
o = — 0,463 — (90) + (91) — (102) + (103) — (105) + (106) 
XXVII. Nindorf-Meldorf— Friedrichskoog — Silberberg. 
O / 11 
Nindorf-Meldorf == 65 52 37,907 — (109) + (110) 
Friedrichskoog = 86 26 33,732 — (104) + (105) 
Silberberg = 27 40 51,066+ (98) — (103) 
Summe = 180 
180 0 + £ = 180 
o = + 1,000 + (98) — (103) — (104) + (105) — (109) + (110)