TEMPEEATXJEE 01 ^ THE ELECTRIC CONDUCTINa POWER OE METALS. 21 
Table XIII. 
Conducting power 
found before heat- 
ing the bars to 1 0 0°. 
Ditto, after being 
kept at 100° for 1 
day 
Ditto, for 2 days 
Ditto, for 
Ditto, for 
Ditto, for 
Ditto, for 
Ditto, for 
Ditto, for 
Ditto. 
days 
days 
days 
days 
days 
8 days 
9 days 
for 
Ditto, for 10 days 
Ditto, for 11 days 
Ditto, for 12 days 
Ditto, for 13 days 
Ditto, for 14 days 
Ditto, for 15 days 
Ditto, for 16 days 
Ditto, for 17 days 
Ditto, for 1 8 days 
Ditto, for 19 days 
Ditto, for 20 days 
Ditto, for 21 days 
Ditto, for 22 days 
Ditto, for 23 days 
Ditto, for 24 days 
Ditto, for 25 days 
Ditto, for 26 days 
Ditto, for 27 days 
Ditto, for 28 days 
Ditto, for 29 days 
Ditto, for 30 days 
Ditto, for 31 days 
Ditto, for 32 days 
Ditto, for 33 days 
100 
79 ' 
45' 
22 ' 
16 ' 
8' 
6 ' 
5 ' 
4' 
4 ' 
4 ' 
4' 
4' 
4 ' 
145 
449 
378 
129 
068 
989 
781 
830 
621 
302 
181 
1371 
0844 
Bar I, 
Bar II, 
Bar II 
at 16*4 
100 
at 15°*9 
100 
at 15*6 
at 15*4 
86*50 
at 13*0 
83*16 
at 12*6 
at 16*0 
76*51 
at 13*6 
69*23 
at 14*1 
at 16*0 
70*43 
at 16*4 
61*25 
at 16*9 
at 15*0 
65*68 
at 16*6 
54*92 
at 17*2 
at 15*2 
61*68 
at 16*8 
50*69 
at 17*8 
at 15*0 
56*85 
at 17*2 
46*11 
at 16*6 
at 14*2 
54*88 
at 16^ 
42*35 
at 16*4 
at 15*5 
51*33 
at 16*1 
38*64 
at 15*8 
at 16*8 
46*27 
at 15*6 
35*31 
at 16*2 
at 15*3 
45*26 
at 16*2 
33*50 
at 16*4 
at 15*0 
Reduced to 0°. 
42*10 
at 16*6 
30*97 
at 16*8 
at 16*1 
3*7662 
41*31 
at 17*4 
29*98 
at 18*2 
at 14*6 
3*7646 
39*28 
at 16*0 
28*21 
at 15*6 
37*72 
at 17*1 
26*73 
at 16*8 
35*35 
at 15*4 
23*68 
at 15*4 
32*23 
at 15*6 
19*43 
at 16*0 
29*92 
at 17*0 
16*65 
at 17*6 
28*11 
at 17*6 
14*43 
at 17*0 
26*25 
at 16*2 
12*59 
at 16*4 
25*54 
at 13*0 
11*68 
at 14*4 
24*12 
at 13*4 
10*34 
at 13*6 
23*29 
at 12*8 
9*32 
at 13*6 
22*00 
at 13*6 
8*64 
at 14*1 
21*45 
at 14*1 
7*92 
at 13*8 
20*86 
at 14*6 
7*36 
at 14*6 
20*17 
at 15*8 
6*97 
at 14*2 
19*74 
at l6*0 
6*66 
at 14*8 
19*68 
at 13*0 
6*52 
at 15*8 
19*65 
at 12*2 
Reduced to 0°. 
6*35 
at 15*8 
19*633 at 12*0 
20*145 
6*12 
at 12*6 
19*633 at 11*9 
20*137 
6*04 
at 12*0 
6*0330 at 11*8 
6*0602 at 12*2 
. 
Reduced to 0°. 
5*6134 
5*6191 
The means of the conducting powers for each of the following temperatures were — 
T. 
Conducting power. 
Difference. 
T. 
Conducting power. 
Difference. 
T. 
Conducting power. 
Difference. 
Observed. 
Calculated. 
Observed. 
Calculated. 
Observed. 
Calculated. 
10*40 
25*25 
38*85 
55*10 
70*45 
83*10 
99*40 
3*9566 
4*5212 
5*3940 
6*9089 
8*8706 
11*0316 
14*3690 
3*9575 
4*5240 
5*3846 
6*9060 
8*9019 
11*0018 
14*3764 
- 0*0009 
-0*0028 
4 - 0*0094 
+ 0*0029 
-0*0313 
+ 0*0298 
- 0*0074 
3*70 
11*80 
22*40 
29*40 
19*976 
19*650 
19*477 
19*468 
19*972 
19*660 
19*466 
19*473 
+ 0*004 
-0*010 
+ 0*011 
— 0*005 
4*20 
22*80 
39*40 
53*90 
69*50 
83*60 
98*80 
5*6646 
6*7456 
8*6703 
10*8480 
14*2472 
18*4043 
23*3209 
5*6797 
6*7392 
8*5781 
10*9426 
14*3441 
18*2406 
23*3769 
-0*0151 
+ 0*0064 
+ 0*0922 
-0*0946 
- 0*0969 
+ 0*1637 
-0*0560 
29*40 
34*60 
39*70 
55*30 
69*20 
86*40 
103*60 
19*468 
19*546 
19*689 
20*513 
21*825 
25*096 
29765 
19*496 
19*544 
19*653 
20*464 
21*942 
25*019 
29*784 
-0*028 
+ 0*002 
+ 0*036 
+ 0*049 
— 0*117 
+ 0*077 
- 0*019 
