rft-werkfe: SSU2; Schwebungssummer

ID: 18634
rft-werkfe: SSU2; Schwebungssummer 
03.Jan.04 19:54
1848

Georges Van Campenhout † 28.4.22 (B)
Articles: 206
Count of Thanks: 6

Dear Old radio fans,

 

Who can help me about information for this piece of measuring equipment?

What is (was) the use of it?

 

You can answer me in German. I do understand it, but have difficulties in writing...

 

Thanks

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