hp: 412A (412 A); D.C. Vacuum Tube Voltmeter
ID: 118259
This article refers to the model: D.C. Vacuum Tube Voltmeter 412A (Hewlett-Packard, (HP); Palo Alto, CA)
hp: 412A (412 A); D.C. Vacuum Tube Voltmeter
11.Aug.06 22:38
3925
Manual here: http://bama.edebris.com/manuals/hp/412a/
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