Our classic Weston combination voltmeter/ammeter gauge set was broken. The previous owner had tacked on another volt meter rather that fix the original.
Dale Nichol our resident electrical expert came to our rescue. He took the meter apart and determined that the two original precision resistor packs (two mica boards wrapped with 1200 wraps of AWG-44 (OD=0.0022 ...that's tiny!) had open windings. Much too small to repair. So he determined the required values and replaced them with modern resistors. He attached them to the original mica boards so that it would all fit back in the meter movement case.
There was also the issue of the original leads into the case being frayed, brittle and broken. Dale attached the original leads to a sturdy Jones terminal block which will ensure that leads stay intact and are easy to attach to.
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