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410B Vacuum Tube Voltmeter

First Catalog 1952
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An improvement (mostly mechanical) over the 410A. Note that there are separate probes for DC volts, AC volts, and Ohms. The AC probe body contains a special diode tube designed by Eimac.


410b_vacuum_tube_voltmeter.txt ยท Last modified: 2022/01/01 21:38 by saipan59

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