human
About the only exception I can think of is the electrostatic condenser, and you could say that it converts static electricity into a current flow if you wanted to stretch a point. On the other hand, a condenser isn't usually considered as a power supply.
gpt
I see your point. Could you give me a rough idea of the principle on which your Converter operates?
human
I'd rather not, just now, Mr. Olcott. As I said, I want to sort of spring this full-blown on the world.