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Subject Ammeters Remove constraint Subject: Ammeters

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    • 1888

    Finished wooden box; four metal feet on bottom (box must be set on its side for instrument to function); top of box has two brass holders for missing handle and metal strip; side lifts up half way exposing a painted…

    • Undated

    An ammeter is used to measure the electric current flowing through the circuit. This instrument is distinct from those which measure voltage, like a voltmeter.

    • Part of Catalog K: Physical Apparatus for Universities and Colleges
    • 1912-May

    Instruments for measuring both voltage and amperes of direct electric current.