[volt-nuts] Biddle "Mentor" differential voltmeter, model 73-404

Steve Byan stevebyan at verizon.net
Mon May 20 09:32:14 EDT 2013


I'm looking for data on a Biddle "Mentor" five-digit differential voltmeter, model 73-404. Anyone have a manual or know anything about this instrument?

Best regards,
-Steve

-- 
Steve Byan <stevebyan at me.com>
Littleton, MA 01460





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