Description
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Post Office Box, Plug Type
Description
Plug type, with three pairs of ratio coils of 10,100 and 1000 ohms and 16 series coils from 1 to 5000 ohms, total 11,110 ohms, giving a range from 0.01 ohm to 1,111,000 ohms.
Two tapping keys are provided for battery and galvanometer.
Accuracy ratio coils ±0.05%, others ±0.1%
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