Full text: Die konforme Doppelprojektion der Trigonometrischen Abtheilung der Königl. Preussischen Landesaufnahme

jg § ii. Berechnung der Tafelgröfsen log m und h aus der Kugelbreite b. 
= ++ [(- 90 + 63 C*- 21 <?•)■ + d (90 c- + 267 C<- 973 C 6 ) 
+ d"(—720 C 4 + 7o2oC 6 — 8556 C 8 ) 
+ d 3 (—432oC 6 + 2i 288C 8 —19 824C 10 ) + ...], 
^ = 6 3° + 8 55 ^ —252C 4 —2iC 6 ) 
< + d (630C"— 2541 C 4 -|-6392C 6 —5145C 8 ) 
+ d" (— 25 872C 6 + 91 728 C 8 — 68 728 C 10 ) + ...], 
a 9 == 9 k+Cs [(— 5040 + 5130 C 1 —1071 & + 85 C b ) 
+ d (5040c"— 16 524 C 4 + 594c 6 -}-19 722C 8 ) 
+ <*" (— 5040c 4 -)-79 002C 6 —489 087c 8 -)-533 909C [0 ) + • • •], 
g.°= I0 it^c 6 [(~ 45 360 + 76 230C" — 36 135 C 4 + 428467 6 + 8 5 C 8 ) 
+ d(45 360 C" — 193 86oC 4 + 224 046C 6 —163 605 C 8 + 95 974C 10 ) 
+ d" (—45 360C 4 + 132 o3oC 6 + i 451 385^—5 156434C" 0 
+ 3 745 9n67'") + ...]. 
v b — b a in Theilen des Halbmessers. 
Hieraus folgt: 
28) d.l°gna t m = ^ (b _ b ^ + ^ 5a>( ^_ 
Für die Normalkugelbreite: d 0 =52°4o\ ergiebt sich aus 27): 
29) log »2 = — 230537800^ — d+ 
— 12461 66 (d— d+ 
— 30763 8 (d —d 0 ) 5 
-26573 7 (¿-¿o) 6 
— 10086 (d — d 0 ) 7 
— 38270 (d—-d+ 
— 1526 (d — d 0 ) 9 
— 6147 (d — d 0 )'°. 
5— 2 0 in Minuten.
	        
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