HP 412A VACUUM TUBE VOLTMETER For Sale

HP 412A  VACUUM TUBE VOLTMETER


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HP 412A VACUUM TUBE VOLTMETER :
$29

HP 412A DC Vacuum Tube Voltmeter

Powers on - no further testing was done.

Leads that are attached (in photo) are included.

Takes normal 3 prong power cord (not included).

Manual is available on BAMA.

From family estate of avid tube amp builder/repairman.



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