proof plane
noun1
A small conductor attached to an insulated handle used to transfer electrical charge to a measuring instrument.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
A small conductor attached to an insulated handle used to transfer electrical charge to a measuring instrument.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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