More than seventy years ago Joseph Henry, in the United States, noticed the effect of an electric spark at a distance upon magnetised needles.
"Hertzian Wave Wireless Telegraphy"
John Ambrose Fleming
If then an electric oscillation, coming down from the aerial, is passed through the shorter coil, it changes the position of the magnetised portion of the iron and, so to speak, brings the magnetised portion of iron back into the position it would have occupied if the iron had had no hysteresis.
"Hertzian Wave Wireless Telegraphy"
John Ambrose Fleming
She can't be magnetised, or mesmerised, or hypnotised, or whatever it is.
"Amusement Only"
Richard Marsh