vintage analog voltmeter wooden case with german instructions

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Vintage analog voltmeter in wooden case with German instructions Royalty Free Stock Photo
Vintage analog voltmeter in wooden case with German instructions Royalty Free Stock Photo
Vintage analog voltmeter in wooden case with German instructions Royalty Free Stock Photo
Vintage analog voltmeter in wooden case with German instructions Royalty Free Stock Photo
Vintage analog voltmeter in wooden case with German instructions Royalty Free Stock Photo
   
   
Vintage analog voltmeter in wooden case with German instructions
Vintage analog voltmeter in wooden case with German instructions Royalty Free Stock Photo
Vintage analog voltmeter in wooden case with German instructions Royalty Free Stock Photo
   
   
   
   
   
Historic analog voltmeter with a circular dial and several control knobs, displayed in its original wooden case. The instrument was used to measure voltage in early electrical testing


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