= 3 
° Terrestrial Magnetism. 153 
No. 8. on Ser wfenenes Lat. 38° 6! N., Lon. 84° 18' W. Sept. 2 1840. 
Needle No. 1. B Nort Needle No. 2. A No ons as oe 
§ hasten Pas Face of in-| Face of |~ 
strument.| needle. Dip indicated. strument.| needle. Dip indicated. 
E. 71°05! E. E. 69°40’. 
‘ow. 68 40 Ww Ww. 69. 53.5 
W. E 71 05 w. E. 69 46 
E w. 68 38 E. w. 69 49.5 
A North. B North. 
E. E. 68 55 E. E. 69 65.5 
w. Ww 70 58 w. Ww. 69 53.5 
w. E 69-06 . few. E, 69 68.5. 
: zap owe | 0. w, 69 59.5 
18589 16 8)559 16.5 
Mean, 69 54.5 | Mean, 69 54.562 
No.9. Clay's Ferry, Kentucky River, Lat. 37° 53' N., Lon, 84° 18)? W. Sept. 3, 
1840. 
eedle No. 2. A North. 
e No. 1. North. 
Peay Be Dip indicated seramieut-t: needle. Dip indicated. 
E. E. 70°48’ E. E17 690477.5 
Ww. Ww. 68 45. we Oy Ww. 69 38.5 
W. = | 70 47 Ww ae 69 52.5 
RE. Ww. 68 41 E w. 69 38.5 
A North B North 
E, E 68 49 E E 44 
Ww. Ww 70 53 Ww Ww 69 56.5 
We E 68 48 Ww. : E 69 46.5 
E. Wi 1 FR BBS E. w 69 59.5 
8)558 24.5 & 8)558 23.5 
Mean, 69 48.06 Mean, 69 47.937 
t the above locality, Professors Peter and Alvord, of the Transylvania Uni- 
Versity, were present and read the indications with me. 
No. 10. Frankfort, Kentucky, Lat. 38° 14! N., Lon. 84° 40! W. Sept. 4, 1840. 
eedle No. 1. A North. ‘Neca e No.2. A North. 
ace ul in-| Faceot |. | Face of 
Strument.| needle. Dip indicated. amnment: needle. | _Dipindicated. 
z.  : 8°48’ E ze. |. 69°58'.5 
_ w. 7L 02 w Ww. 69 34 
hse E. 69 00 Ww E. 70 04 
en w. 70 58.5 E Ww. 69 35.5 
B North. B North 
E. E. 71 03 E. E. 70 04.5 
ws w. 68 43 w. w. 69 48.5 
a E. 71 06 Ww. E. 70 05.5 
esd w. 68 41.5 E. Ww. 70 03.5 
8)559 22 8)559 14 
ean, 69 55.25 Mean, 69 54.25 
“Wel. 33. xt, No. 1.—Oct.-Dec. 1840. 20 
