William McWhirter (original) (raw)
William McWhirter (1851–1933) was a Scottish electrical engineer, grandfather of Norris McWhirter, who invented the combined voltmeter and ammeter, from which such (analogue) subsequent meters were developed.
William McWhirter (1851–1933) was a Scottish electrical engineer, grandfather of Norris McWhirter, who invented the combined voltmeter and ammeter, from which such (analogue) subsequent meters were developed.