This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Schleifringlufer mit poliger Luferwicklung.svg Zeichnung einer zweipoligen Luferwicklung eines Schleifringlufermotors own original text Selbst erstellt Pittimann Pittimann de Later version were uploaded by MichaelFrey de PDrelease Original upload log de Wdwd CommonsHelper de Schleifringl AufermitpoligerL Auferwicklung svg