Rare Lever Wound Berliner Gramophone When the first spring motor was applied to the Gramophone it was wound up in the manner already common among music boxes
Rare Lever Wound Berliner Gramophone When the first spring motor was applied to the Gramophone it was wound up in the manner already common among music boxes. Prior to that the Gramophone had been a toy-like hand-driven device. The spring motor made it a success but few of the very...