|Heathkit IM-13 VTVM
This rather beat looking Heathkit came to me from the US (via Ebay) as we don't see many of them here in the UK - despite having had our own division of the Daystrom/Heath Corp.
The IM-13 Vacuum Tube Volt Meter is a classic device for performing measurements on live circuits and is an indispensible fault-finding tool.
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Last updated 9th April 2002