Wikimedi'Òc

Rotor gewuchtet.JPG - File Upload Bot (Magnus Manske)

Electric motor rotor with balance drill-holes-8593.jpg - Raymond

Electric motor rotor with balance drill-holes-8594.jpg - Raymond

Electric motor rotor with balance drill-holes-8595.jpg - Raymond

Grundig TK121 - capstan and flywheel with balancing drillings-1738.jpg - Raymond