Various electrical machines may be used for this purpose, the Holtz, or the Wimshurst glass plate machine, the Ruhmkorff, or induction coil, or even the high frequency transformer. Edward W. Byrn.十九世纪发明进展.
The electrical generator is of the Wimshurst type, and is shown in a large glass-enclosed cabinet on the right. Edward W. Byrn.十九世纪发明进展.