Box 14, Folder 9: Eclipse

Zenith

4 1

[color pen sketch]

3 2

Total Eclipse Aug 7. 1869 as observed by Thos Bassnett at Des Moines, Iowa.

Z

[pencil sketch]

5

4

1

2

3

1 Group of solar spots as seen Aug 5th at 5 pm

2 Same, Aug 6th 5 pm - one spot disappeared, another has become more condensed.

3 Same Aug 7th at time of the eclipse - one still more condensed.

4 Position of a group of three spots seen at time of Eclipse

5 an elongated spot near the limb or edge of the sun.

[pencil sketch]

h m s

6 5 30 Last Contact

4 53 10 Last Spot Reappears

5 48 24 Last spot covered

5 46 15 First spot covered

Spot re=appears 5 30 30

4 30 5 End of spot

4 29 20 Beginning of Spot

4h 7m 45s First Contact

Solar Eclipse

Aug 7. 1869

Milwaukee

Solar Eclipse Aug. 7th 1869

Observed by I. A. Lapham at Milwaukee Wisconsin near the corner of Poplar and 4th street (50 feet south of Poplar + 50 feet East of 4th), Latitude 43o 3'N. Long 87o 56' 10" West.

First contact 4h 7m 45s P.M.

at large solar Spot 4 29 20

Across the same 4 30 5

At last of a group of 3 spots 4 53 10

The large spot reappeared 5 30 30

First of group of 3 reappeared 5 46 15

Last of group of 3 reappeared 5 48 24

Last contact 6 5 30

Time by a good (Waltham) watch, which was, probably a minute or more too fast.

No stars could be seen.

(By observation at noon with Mr. Malions Transit watch 17 seconds too fast.

Meteorological Observations at Milwaukee August 7th 1869

By I. A. Lapham

Hour Barom Therm correction Barom Wind Clouds Psycrometer Force of Relative

as Observed attached for temp Corrected Dir. Force Dry Wet Dif Vapor Humidity

from

29. 29.

. 7am : .808 . 61 . -087 . .721 NE . 1 . 0 . 57 . 54 . 3 . .378 ..811 . . .

8 822 61.5 -088 734 NE 1 0 61.5 55 6.5 353 646

9 825 62 090 735 SE 2 0 63 55 8 338 587

10 825 62.5 091 734 SE 2 0 64 56.5 7.5 364 611

11 830 63 092 738 SE 3 0 65.5 54 11.5 295 468

noon 815 63.5 094 721 SE 3 0 66 55.5 10.5 323 504

1 pm 815 64 095 720 SE 3 0 66 54 12 291 454

2 795 64 095 700 SE 3 0 67 54 13. 284 428

3 785 64.5 097 688 SE 3 0 66 55 11 312 487

4 760 64 095 665 SE 2 0 66 53.5 12.5 281 440

5 745 64.5 095 650 SE 1 0 63.5 52.5 11 280 478

5 1/2 740 64.5 095 645 NE 1 0 62 52 10 282 507

6 730 64.5 095 635 SE 1 0 63.5 53.5 10 300 512

6 1/2 728 64.5 095 633 SE 1 0 63 53 10 294 510

7 730 64.5 095 635 SE 1 0 60 52 8 299 577

8 725 64.5 095 630 SE 1 1 56.6 52 4.5 333 629

9 728 64.5 095 633 SE 1 0 55 51 4 .325 .750