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Doc. 200.] 581
HIORTER’S COMPUTATIONS.
:
2 : 13 ;14314) 30 19’.
»
99
The latitude of the place is 59° 52’, and its complement
30° 8’. The eastern longitude from London is 17° 30’.
Operation 1. 1740—1720= 300’ : 930’ : : 8’ : 25 for pro
20 x 56’=18° 40’. portion
2. 112° + 17° 30’=129° : 30 90’ : 0—25’=89° 35’ for Latitude
-18° 40’=110° 50’. 59° 52’ 60°. 890 : 35’. 3071.
3. 110° 50’-90= Log. logist.
20° 50’ S. 955102
22° 30’ S. 958285 1 : 6 17385
(pa) 7 ° 49’ S. 913386. 110° 50’ - 3° 19’ = 107° 31’
4. 1740-1720= 20° x 20’ = compl. 72° 29’.
=
6° 40’.
15. For (cd)
5. 145° 30’ + 17° 30’=163° 0 30° 8 ’ S. 9.70079
}
-6° 40’=156° 20’. 72 : 29 9.97938
6. 156° 20’—900= 28 : 36 9.68017.
66° 20’ S. 996185 16. For ( a d)
22° 30’ S. 958284 72° 29’ =C-s. 9.47854
(o h) 20° 31’ S. 954469. 30° 8 ’ = c -t. 10.23613
7. For (pc) 30° 8’ + 7° 49’ 9° 55’ T. 9.24241.
=370 57’.
17. 9° 55’ + 24 ° 43’ = ( b d)
8. 37° 57’ X 6 " = 3’ 48" . 34° 38’.
9. 22’ 30 ’ + 3’ 48 " = 26 ’ 18" . 28° 364’=C-s 9.94345
10. For (po) 180° + 7° 49’ 34° 38’ =C-s 9.91530
+ 20° 31’=208° 20’. (bc). 43 : 45 C-s 9.85875.
11 . (-ar. 18. For (
bc a )
180 Q=32400 Log. 5.48945 43° 45’ S. 0.16020. c -ar.
208; –43278 4.63627 72 : 29 9.97938
26’ 18" = 1578 " - 3.19811 24 : 43 ; 9.62140
8 " = 2108" 3.32383. 35 : 13 ; 9.76098.
12.
(-ar. 19. 30° 8’ —20° 31’=9° 37’.
37° 57’= 2277" Log. 3.35736 c. arithm .
10° (’= 600 7.22185 10° O’ = 600’ 7.22185
2° 134 7999 3.90304. 35’ 8 " = 2108" 3.32383
13. 22° 30’ + 2° 131= 24° 43 ’ go 37’ = 577’ 2.76118
Latus. 33’ 47" = 2027" 3.30686.
14. gr. 55 7440 21. 60°, 89° 35 ’ - 3071 Log.
60 . . 90 logist.
5 15, 33’ 47" — 2494)
50’ 26 " .
60 16:39 5565)
:
-
35’
20 .
.
60
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