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

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Thomas Bavis (USA)
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Manual here: http://bama.edebris.com/manuals/hp/412a/

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