1 "Fișier:Scheiblingk_Schalter_Voltmeter.jpg".

Fișier:Scheiblingk Schalter Voltmeter.jpg

Attribution-Share Alike 4.0 truetrue English German Orgel Scheiblingkirchen Voltmeter author name string: JJBB1 Wikimedia username: JJBB1 URL: https://commons...