Dears,
Anyone seen this before? In think it's from the 30ies. It resembles the Siemens frequency measurement bridge on my website.
This device uses a Wehrmacht detector diode SA102 type. Anyone some info?
I have the opportunity to buy this. Any idea on value?
Thanks,
Kris
Anyone seen this before? In think it's from the 30ies. It resembles the Siemens frequency measurement bridge on my website.
This device uses a Wehrmacht detector diode SA102 type. Anyone some info?
I have the opportunity to buy this. Any idea on value?
Thanks,
Kris
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