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Box Dial Type
Post Office Box
Dial Type:
Consists of 4 series dials of resistance 1,10,100 and 1000
ohms and 2 ratio dials, fitted in teak wood box accuracy ±0.05% to
±0.1%
Manganin coil constantan coil
|
|
A |
B |
|
I |
Five dial |
Five dial |
|
II |
Six dial |
Six dial |
