Image from the Biodiversity Heritage Library.
Contributed by American Museum of Natural History Library.
| www.biodiversitylibrary.org
Transcription
30
Dawn continual day now
We are in latitude 77° 45
long. 99° 20'
Dec. 9°. 23d 12° 30' 50''.4
Corr. for
Cor | Dec
12° 30' 53'. 7
H.D. 49'' .95
S.M.S.
6.63
14 9 80-
299 7 0
299 7 0
3.3 1 1 6 30
long.
9 9 20
4
-4
60 | 39 6 60 | 12 0
6s 36m + 2m
Line
6s 38m
''
6.63
89 60
77 45-
Colatitude 1 2° 15'
Sun 15' 53'.7 above horizn at- midnight.