Whilst talking, he had shut the box, and now joined it by two cables to the elements of a pile placed on a dresser.
“Neuter-heliocoidal currents, gentlemen,” he resumed, “have naturally, since they are neutral, the property of repelling all bodies without exception, whether these bodies be electrified positively or negatively. On the other hand, being heliocoidal, they commonly choose a heliocoidal form; a child might understand that.... All the same, it’s very lucky that I thought of discovering them... How everything serves in life!”
The electric circuit having been closed, a soft buzz was heard in the box, and a bluish light flashed from the bulb which was fixed on the peg. Almost immediately this bulb assumed a gyratory motion, which, beginning slowly, grew more rapid at each second,
