Model | Year | Category | Tubes | Pictures | Forum | Coll.Pr. | ||
---|---|---|---|---|---|---|---|---|
Zungen-Frequenzmesser 40 - 60 Hz | 1950 ?? | Equipment | 3 | ![]() |
$ | |||
Zungen-Frequenzmesser mit Strommesser - Frequencymeter | 1950 ?? | Equipment | 2 | ![]() |
$ | |||
µA-Meter 60 µA | 1930 ?? | Equipment | 4 | ![]() |
$ |
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