Vacuum-tube voltmeter model 400D serial no.E204 00101 by Hewlett Packard

Made:: 1960-1984 in Bedford

maker:: Hewlett Packard Company

Vacuum-tube voltmeter model 400D serial no.E204 00101 by Hewlett Packard, Bedford, England

Details

Category:: Electricity and Magnetism

Object Number:: 1990-213

type:: voltmeter

credit:: Royal National Throat, Nose and Ear Hosp

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Vacuum-tube voltmeter model 400D serial no.E204 00101 by Hewlett Packard

Details

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