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Updated: May 24, 2025
"As you can see there are no discs or cylinders, but these spools of extremely fine steel wire. The record is not made mechanically on a cylinder, but electromagnetically on this wire." "How?" I asked, almost incredulously. "To put it briefly," he went on, "small portions of magnetism, as it were, are imparted to fractions of the steel wire as it passes between two carbon electric magnets.
It was discovered by an inventor several years ago, while experimenting in telephony. "There are no disks or cylinders of wax, as in the phonograph, but two large spools of extremely fine steel wire. The record is not made mechanically on a cylinder, but electromagnetically on this wire.
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