520 © Prefident WiLLARD's magnetical Obfervations, 
Jvrv 27, 1781. 
Ap. times of obf. Sun's mag.az. per obf. Sun's true az. per cal. 
31h 34' S 8° 2E S 15° o/ E 
II 36 46:9 a2 
II 50 S 1 10 W 5 57 
11 58 IM Eos 
poda = 9 28 S 2 26 W 
12 20 18 45 II 45 
12 26 22 A45 ig to 
12 28 i330 16 1: 
Variation of the needle by a mean of 8 obfervations, July 27, 
Tory: 45 
Tib 44 bs" au E 8.99 19 E 
ER ue Dg 1$ Ww 8-3 
1$ 6 IO. 35 3 3 
12. 8 II 45 * 40 
12 22 I9 45 12 46 
12 26 139 ^ 5 3 
I2 30 2g 1$ 12. 26 
Variation by the mean of 7 obfervations, of July 28. 
JoRt-30 
it 92 S 2 30 W S 4°37 E 
13.4.2 iu Gf: I10-W 
n 6 10 28 3 28 
12 18 17 38 XO Ig 
12 26 21. 55 14 47 
Variation by them mean of 5 obfervations, of July 39. 
ULY 31. 
LI 29 32" S.o 10 E S It". E 
11.39 32 4 35 AES 
Ti 43 32 2 20 9 23 
Il 51 32 S2 sW 4 51 
PI LI ts 4 32 3 34 
13.59 32 :6 4 O 16 
$21 3°32 7-56 o 53W 
Variation by the mean of 7 obfervations, of July 51, 
AvcusT 1. 
XI 55 52 S 3 32W & 3 28 E 
31 $9 52 Ty d. 
12 SE 52 8 [o] I 4 wW 
12 352 i 9 I0 2 ia 
#2 15 52 15 58 8 59 
Variation by d mean of 5 obfervations, of Auguft 1, 
Varia. of the need. 
49 9 We 
*. 4 
T A 
T — 10 
9.2 
9s -O 
y y 
7 13 
VEI 
69 c4! W. 
6 -55 
INE 
ors 
6 $9 
c F 
6 59 
7 0 
a 97 Wa 
TS 
7 o 
Faino 
vi 8 
si 5% 
6 Lu W. 
| EET 
7. ^3 
6 56 
41. 0 
6 56 
6 57 
6. 595 
7 e W.- 
" 6 
6 56 
6 58 
6 59 
6 4 
595. 
Variation 
; 
ER S TTE 
