Rheostats
UPTIN 394.       Rheostats (Routine quality) Al rod
                     
            6"            8"            10"            12"
UPTIN 395.       Rheostats (Routine quality) Brass rod
                     
           6"            8"            10"            12"
UPTIN 396.       Rheostats (Deluxe quality), wound on non inductive, non magnetic core with
                     oxidized eureka wire, brass parts, dia. of tube 4.4 cm. Specification as under:
Length Of Tube
   
15 cm
20 cm
25 cm
30 cm
35 cm
40 cm
45 cm
50 cm
  Amps
Ohms
A
8.0
1.5
2.5
3.5
4.5
5.5
6.5
7.5
8.5
B
6.5
3
4.4
6
7.5
9
10.5
12
13.5
C
5.0
4.5
.5
9
11
13
15
18
20
D
4.2
8
12
16
20
24
28
32
36
E
3.3
11
16
22
27
33
38
44
50
F
2.8
15
22
30
37
45
52
60
67
G
2.3
23
33
46
57
70
80
90
100
H
1.8
37
55
74
92
110
128
148
165
I
1.6
50
75
100
125
150
175
200
225
J
1.4
64
96
128
160
190
220
250
290
K
1.2
89
135
180
225
270
315
355
395
L
1.0
116
175
235
290
350
405
460
515
M
0.8
160
240
320
400
480
560
540
720
N
0.6
270
400
540
670
800
930
1070
1200
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