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Contributed by American Museum of Natural History Library.
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Transcription
3 vols
1 Discovery of a North West
Passage Capt. Arburn.
2 Cruise of the Arctic
3
A
b
c
B
a
a = sin A
b = sin B
a = sin A
c = sin C
a = b / sin B x sin A
b = c / sin C x sin B
C = a / sin A x sin C