Electronic digital millivoltmeter

Made:: 1975-1984

Electronic digital millivoltmeter, pH meter and thermometer ( C), type PTI 55 serial no. 9645, battery powered with liquid crystal display, 1975-84.

Details

Category:: Electricity and Magnetism

Object Number:: 1997-1466

type:: electrical instruments, digital

credit:: British Gas plc

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Electronic digital millivoltmeter

Details

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