RESISTANCE BOX (1783-3) MLS-1783-3
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. Designed for quick and accurate work. In polished wooden box bakelite panel figured in white. The coils of constantan wire double silk covered are wound non-inductively. The coils are mounted on stem of the dial studs with a ball click device to ensure correct location, the brushes are of laminated phosphor-bronze, with large contact area to give a low and constant dial contact resistance. 3 dials.