Microvoltmeter and micro-microammeter

Made:: 1960 in Boblingen

maker:: Hewlett Packard Company

D.C. valve microvoltmeter and micro-microammeter model 425A no. G201 01361, by Hewlett Packard, Boeblingen, West Germany, complete with mains lead, input lead and probe

Details

Category:: Electricity and Magnetism

Object Number:: 1987-314

type:: voltmeter

credit:: Thorn EMI

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Microvoltmeter and micro-microammeter

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