384 
MESSRS. W. E. AYRTON AND H. KILGOUR ON THE 
July 5th, 1888. Diameter, 2*9 mils, or 0’074 millim. Length, 18‘08 centims. 
Curve 5, fig. 8 (Plate 12). 
Temperature. 
Resistance, 
in ohms. 
Temperature. 
Resistance, 
in ohms. 
Temperature. 
Resistance, 
in ohms. 
0 0 . 
° C. 
°C. 
17 
4-630 
181-5 
7-115 
282 3 
8-535 
35-1 
4-915 
194-0 
7-295 
49-8 
5T45 
202-3 
7-415 
15-8 
4-611 
59-6 
5-295 
211-7 
7-545 
69-2 
5"445 
69-5 
5"445 
215-9 
7"605 
105-3 
5 - 995 
791 
5-595 
2242 
7-725 
89-0 
5-745 
232-5 
7"845 
9-3 
4-515 
88'2 
5-735 
239-3 
7-945 
8-1 
4'495 
98-7 
5-895 
249-8 
8-095 
5-1 
4-445 
105-2 
5-995 
257-1 
8-195 
o-o 
4-365 
111*7 
6-095 
261-1 
8-255 
- 0-8 
4-355 
125-9 
6-305 
264-5 
8-305 
- 5-2 
4-285 
132-1 
6-395 
268-9 
8-365 
- 7-8 
4-275 
154-0 
6-715 
273-0 
8-415 
-11-0 
4-225 
159-8 . 
6-805 
274 9 
8-445 
-11-75 
4-215 
166-1 
6-895 
277-7 
8-475 
-12-5 
4-205 
173-3 
6-995 
279-0 
8-495 
180-0 
7-095 
280-5 
8-515 
The last set of results was 
obtained by placing the wire 
in alcohol and surrounding it 
with a freezing mixture. 
July 3rd, 1888. Diameter, 2 mils, or 0'051 millim. Length about 10-31 centims. 
Curve No. 6, fig. 8 (Plate 12). 
Temperature. 
Resistance, 
in ohms. 
Temperature. 
Resistance, 
in ohms. 
Temperature. 
Resistance, 
in ohms. 
° C. 
0 C. 
° c. 
16-4 
5-375 
94-0 
6-795 
160-1 
7-945 
66-1 
6-295 
99-6 
6-895 
168-7 
8-095 
71-7 
6-395 
105-4 
6-995 
175-1 
8-195 
77-2 
6-495 
107-8 
7-045 
184-1 
8-345 
82-3 
6-595 
1110 
7 095 
192-5 
8-495 
88-4 
6-695 
155-3 
7-865 
203-3 
8-645 
July 11th, 1888. Diameter, 1 ‘2 mil, or 0'031 millim. Length about 12’17 centims. 
Temperatnre. 
Resistance, 
in ohms. 
Temperature. 
Resistance, 
in ohms. 
Temperature. 
Resistance, 
in ohms. 
°C. 
1515 
15-169 
0 c. 
85-7 
18-52 
° C. 
157-3 
21-81 
37-6 
16-25 
96-2 
19-01 
163-7 
22-09 
53-2 
16-99 
102-5 
19-31 
174-9 
22 59 
66-1 
17-59 
109-0 
19-62 
74-6 
17-99 
129-9 
20-56 
