the particles of magnetic bodies , &c. 1 05 
which latter is more convenient for computation ; and the 
values of M may be computed from the separate obser- 
vations. 
The values of M computed fr'om the formula (6), of e* 
deduced from the separate observations with the mean value 
of M thus obtained, and also of e 2 from the formula (8), are 
contained in the following table. 
Table VI. 
Values of M determined 
Values of j 2 
Values of r 2 determined 
Values of c in 
Values of a in 
from different combina- 
determined from 
from different combinations 
different 
different 
tions of a 1 a > a 
, a „,&C. 
Ill IV’ 
M= 48*518, 
of a , 
a . a 
. a , &c. 
observations. 
observations. 
1 11 
and the separate 
1 
11 111 IV 
Combinations. 
Values of 
M 
observations. 
Combinations. 
Values of 
inches. 
c =2756 
a 1 ='167836 
a a 
1 111 
49-35 + 
•5476 
a 
1 
a 
111 
•6880 
c = 2*2 c 6 
a J 
a u =-117041 
a a 
1 IV 
49' *77 
•5891 
a 
X 
a 
IV 
•6580 
c zz 1756 
111 ' J 
a =*076416 
in ' T 
a a 
1 V 
49*225 
•6241 
a 
X 
a 
V 
•666 3 
c = 1*506 
tv 3 
° 1T = -059502 
a a 
l VI 
49 -H 7 
•6189 
a 
a 
VI 
’ 6 53 i 
c = 1*256 
\ =-045582 
a a 
l Til 
48*662 
•6340 
a 
1 
a 
VII 
•5725 
c zz i-oo6 
VI 
=*033880 
a a 
H IV 
49*036 
•6318 
a 
11 
a 
IV 
•6497 
c = 0*756 
vn 
a =-023494 
vn 
a a 
It V 
49" I 47 
•5684 
a 
11 
a 
V 
•66 27 
a a 
It VI 
49 -o 3 i 
a 
11 
a 
VI 
•6458 
a a 
11 VII 
48*297 
a 
11 
a 
vu 
•5631 
a a 
111 V 
48*842 
a 
in 
a 
V 
•6488 
a a 
111 VI 
48*700 
a 
in 
a 
VI 
•6378 
a a 
lit Vll 
47*466 
a 
111 
a 
VU 
•5455 
a a 
IV VI 
49*020 
a 
IV 
a 
VI 
•6487 
a a 
IV VII 
47*114 
a 
IV 
a 
Vll 
•5356 
a a 
V VII 
45*545 
a 
V 
a 
Vll 
•4985 
Means 
48*518 
•6020 
MDCCCXXVII. 
P 
