686 PROFESSOR THOMSON ON THE ELECTRO-DYNAMIC QUALITIES OF METALS 
11 
d & 
B g? 
cr5 p 
Pi 
cr? i-s 
5'5 
(D 2 p 
-s P o 
B I- 
B 
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a “> 
Pj Ed* 
Ks d 
2 
■tSS 
■s.s 
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p 3 
& CL 
o crq 
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a 
s-i: 
■s I 
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P- m 
iCC; 
O 
B 
2. p 35 
O o 
s H 
7* w 
& H 
c >. 
I I 
■ M bS 
' to O bS bS 
?* First half- 
— minute of current 
W entering by end next 
bo I— ' w o 
Ci CO — Oi '-1 
Second half- 
— minute of current 
W entering by end next 
oa 00 bo O CO O I Oi 
‘ 03 Cn I— i ifi. 
> Third half- 
— minute of current 
W entering by end next 
I I I I I 
Or — 03 lO bO bO 
V> QJ ^ 
Fourth half- 
— minute of cui-rent 
W entering by end next 
bO 
»|H 
3 
I I I 
00 03 bo 03 ^ 
I I 
Cjt bO 03 bo On I 
> Fifth half- 
— minute of current 
td entering by end next 
I I I I I I 
It.. 03 to it' > 3 » ' 
03 03 to bO t-O I— I 
Sixth half- 
— minute of current 
W entering by end next 
OO 
0 
Cl 
K) 
Cl 
to 
4^ 
1 1 
4^ Cl to 05 !—• 05 
1 
> 
Seventh half- 
minute of current 
entering by end next 
§. 
5* 
05 
C5 
1 
o to 05 ^ 
1 
4:1^ 
2 
g 
0 
to 
tc 
1 
to 
1 1 1 1 
o 4i^ Cl 05 4L. 4^ 
o 
> 
Eighth half- 
minute of current 
entering by end next 
oo 
? 
OS 
OS 
00 
05 
1 I 
^ 4^ 05 05 to 
05 
a 
4^ 
tai- 
to 
1 
1 1 1 
to to o to to 
1 
> 
Ninth half- 
minute of current 
entering by end next 
p 
P 
p’ 
CO 
1 1 
O O to ^ 05 
o 
Cl 
B 
o 
to 
1 
Cl 
1 1 
05 4L Cl to O • 
05 
> 
Tenth half- 
minute of current 
entering by end next 
? 
CO 
w 
to 
a 
1 
1 1 
O O ^ O O 
1 
w 
p 
Cl 
o 
to 
os 
1 
Cl 
III 1 
05 ^ riL. o ^ O 
o 
> 
Eleventh half- 
minute of current 
entering by end next 
f 
05 
05 
05 
C5 
1 
CO — to to 
1 
to 
a 
g 
o 
to 
GO 
o 
1 1 1 1 
05 to rfi-. 
C5 
> 
Twelfth half- 
minute of current 
entering by end next 
o 
CO 
CO 
1 
o — to to 05 
o 
2 
Table VI. March 7th, 1854. Copper conductor to two slips, and diminished in breadth to 1| inch. 
Water kept at temperature 99° Cent, in heater. Streams of water about temperature 6° through coolers. 
Temperatures at middle points A, B of the parts of the conductor between heater and coolers : — 
Initial Ta=50°-33, Tb = 50°70; Final l\=6r-07, Tb=:62°'62. 
