the intensity of magnetic force Sy &c 
5 
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I 
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aqj JO suoi)i80({ ub3j\[ 
N 
O O c<-i m rn O 
• •••••••••• 
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O O O 
w 
w 
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w 
o 
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o 
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00 
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o 
9 
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rv. 
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N 
N 
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CO tJ- t}- tJ- 00 00 N 
ro ■'i* O O N •-• 
r^OC «NNO'-'Nm-)'^ 
oo r^oo oo 00 00 00 00 TO 00 
N t<0 
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N M p-H c<oi-i 
• SJ 9 u 3 bJ \[ 
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TO r^TO TO TO TO TO TO TO TO 
N 
•<^ O o o 
p-< u-,vO 
o o o o o 
rf - i /-\ ly ^ On LO 
Ovvo u->vo VO ■'^* N « 
O 
N 
Points of Equilibrium. 
1 
South. 
VO N TO VO -^VO •<*- ..J-so rh O 
nnoonnnoooo 
®ooooooooooo 
East. 
TO o Tj-VO O N O N -cl- N TO 
■st" c-c vys O p-p O lysN lysirs 
« I_ r<s N *- OV C^TO Ov O — 
oqo to to to to t\ r\ t\oo to 
5 
1$ 
VOVOTOTO OTO '^-OTO OTO 
N N N N fO ^ c<^ vys m lys 
^ >-i p-< N N p-i O OTO 0\ O >-• 
<3 TO TO TO TO TO t\ t^TO TO 
♦SJ 3 u! 
3 UJ jO 
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iEi\[ 
3 jn)Bi 
UB 3 JM 
0iy\00'y-,00«-<s00«-ys 
TO Ov — f«S TO T^vo rv. O VO 
• •••••••••• 
lo to to^ 00 C\ OOO vO to CO 
^ 80 irv lo to to to to to to to to 
e 
a 
a 
cr 
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a 
o 
in 
NOOTO OVOTO NVO N N O 
"^>-<p-<NNror<^«-'00'^ 
O O O O OOOOOOOO 
1> 
rJ-NTOONONOO tJ-OO TO 
NNNOO'i*N-!i-'-<iy-vij-> 
. N r»^TO 
^00 TO 
vn tJ - Lo u-N 
F 
O N NOO T(-Tt-OVO NOO tJ- 
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O xj~, ly-iO nOVOvOVOVoVOVOnO 
O 
o 
c 
s 
2 
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1 
1 
South. 
WfxlW 
.. O O VO C "^co O O VO N 
NNOO^'^NNOOp-c 
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o 
East. 
N Tf-TO >TOVOTOOO OVO O 
1 ■'N'^Lr\jj'^0'-'>-''^Niyv 
^ Vi>N Th r«i^ O OVTO Ov O N — 
Oqo TO to 'S P<3 rv. t>. r^TO to to 
v> 
4-1 
c 
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04 
West. 
OTO N _VO N -fthOVOTO si- 
'•r<Viy~\p-'® ■'^■si-vyv^’-' 
ly-t'^ *- O TO Ov N N 
Coo TO TO TO TO TO TO TO 
•sjsuSbiai 
sqj JO 3JnjBi 
-3dui3j^ UE3p\I 
OOO OiyoOvyvOvirsO 
uoTf-p-i Ovr^OvOV-^ -ftf-TO 
• •• ••••••• 
to r>p« O ^ ^ ^ OO 
Olototo VO 'O ^ VO to to to 
•U0UBAJ3SqQ 
cOOOOCOOOOOO 
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JO 3UJIJ, 
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8 
8 
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50 
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53 
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to 
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8 
Mean true Positions of the Points 
of Equilibrium. 
South 
as before. 
0 / 
0 19.0 E 
0 18.0 E 
0 1 1 .3 E 
0 10. 7 W 
/ 
0 25 . 3 w 
0 37-3 W 
0 32. oW 
0 12.7 W 
0 01 .3 w 
0 01 .3 W 
0 03 . 3 W 
Easterly. 
ly-i 0 
♦ •••••••••• 
^ f<V 0 CV1 0 i''.VO VO OVTO TO 0 
ro uv ltn 0 N p-p N 
^ 0\ OV 0 0 Ov OVTO 00 TO TO TO 
0 1^00 TO t'^ 
Westerly. 
1 ftrvM->t\OOt^t^Or<VroO 
• •••••••••• 
'•VO LTV tJ-TO ov Ov 0 N -<i- ■+ 
<sj 0 0 C<^ 0 N N tr\ 
On 0\ 0 0 « 0 000 00 00 00 
Or-^r^ocoooo 
CO 
N 
Points of 
Equilibrium. 
East. 
0 VO N OVTO 0 VO Ov 
■'NLoN'-cryV'd"’" . 
C 
0 Ov Ov 0 0 lOVTO TO 0 0 °° °° 
rv- t^TO TO -Ty, t 
West. 
1 ty-ivo t''.'cf-rv.O N rt ci OTO 
^OOvnOO^O>>"^"" 
t-H 
_OvO OVO « OvOv5| 5:^0000 
®t\oo t^TO TO yS 0 r^ 
JOJ p3J03JiO0 
3jn}BJ3dlU3JL 
JO 30U3J3JIQ 
NOr''f''-L/vvrvOOOOvyv 
OV N p- fcv OV t^TO _ * 
.......OO.. 
°ly-,ly->y:J-Tj-N N nJZ;^TO OV 
+ + + + + + + + + 
N 
Points of 
Equilibrium. 
East* 
00 CO VO Ovvo r^TO TO r^ 
^.U'viy-iONmiy-iOi^O'^ 
^ 0 <Ov 0 -c 0 OvOO OvTO Onto 
o.ii t\oo TO TO r-y t"- 
West, j 
cj 0^^'VO vz-iOvN p-p vyv>-p Ov 
'■ > ty-\ ■^•^0 0’'"‘^0 0 vyv 
J^JOvOp-p — OOvOVO OVTO 
0 5q t^TO TOTOTO 
JOJ p»i33Jroo 
3jm3BJ3dUI3X 
JO 3DU3J3iJ!a 
OltvOv>-pOOOOOOO 
^ N TO ly-v tJ-VO LTV l<V " *y*' 
L^'i-O «'<v-ftf-<yvf^'>vt^oo 
+ I ++++++++ 
N 
Points of 
Equilibrium. 
East. 
m ^ ri-) t)-O0 TO TO »y-iVO 
"N N 0 ^OO vo-'^'O tJ-p-p N 
-OvOvO 0 OTOTOTO f'yOO TO 
0 r^y r^TO 00 TO r^yt^r^r^t^t''. 
West. 
>y-pO'-'0"-c7vNvn*y^ vyvVO 
^0 — T<V"'»<3NN 0 -pi-ON 
Ov Ov O' 0 0 Ov OvTO fy^TO TO 
0 t^y fyy fyyTO TO jy^ r^y 
JOJ p3]33JJ03 
3jnjBJ3dui3X 
JO 33U3J3JJIQ 
Op'-'OOvy-vOOvyvOOvi-p 
N 0 Ov ry-VO VO -pi- lyyp m 0 
0 NH 0 0 C^ t/^VO 
+ + 4- + + + + + + + + 
20. 
Points of 
Equilibrium. 
f 
East. 
t 4“ t-4 -rf- T^- 0 On tr^ On On 
^ t-4 ^ N C^ 0 0 0 ^ 
0 On 0 « 0 ONOO 00 00 00 00 00 
hvoo 00 00 rv. 
West, 
TO p-p cr^MOO *-p »y^rrvOv|y^r^ 
'‘■p^t<VON''^NVy->Np-pO"^ 
Ov 0 0 0 p-p <^TO TO TO TO O' 
0 t^TO TOTOTO (yy fy- fyy fy- ryy 
JOJ P3J33JJ03 
3jnjBJ3dttI3X 
JO 3DU3J3JJia 
0 •yp TO 0 0 Vyy, -pj- ly-v ly-v O TO 
TOTO P-P 0 OvTO p-p N Ov 0 Cy 
0 ^ tr^ f\ On Cn On 00 NO to O 
+ + 1 1 1 I 1 1 1 1 1 
June 19. 
Points of 
Equilibrium. 
East. 
N cc^. 0 tr\ pm ^ "^4“ 
M ^ Q 0 On 0 On On On 
^cocooo.bioooo r^oo r\ 
1 West. 
vn N Ov rt ^y'O TO 0 TO 
ONTO> N-pJ-N-p^NTO-^ 
Up 
-y-pNjJN-OOOOvOV 
OTO TOTO_gTOTOTOTOTO ty^r-y 
JOJ P3J03JJ03 
3jnjBJ3dul3X 
JO 30U3J3JJ!a 
OOOoOuvOtoOtoO 
TOVO Ov Ov ty> Ov OWO to n 
<Jto-p*-n^O-n-« — ■pi-'ftt- 
+ ++ 1 I 1 1 ++ + 
4 0000 4 000000 
•uopEAjssqo 
COtoOTOqTOOtoOtoO 
JO 3UJI1. 
^ ^ 0\ 0 ^ CO p^vo On 
« /C 
