Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
observatn period
0634 - 0730 = 16 - 0.9
0750 - 1000 = 24 - 2.2
1425 - 1600 = 18 - 1.6
1730 - 1916 = 16 - 1.8
68 - 6.5