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=== Magnetic wire === | === Magnetic wire === | ||
1889-1952 Magnetic wire was invented by Vlademar Poulsen. Magnetic wire was used most predominantly by Americans in the mid-1900s (1940s on) by consumers and for World War II decoding. Consumer wire recorders were often very small and portable. | 1889-1952 Magnetic wire was invented by Vlademar Poulsen. Magnetic wire was used most predominantly by Americans in the mid-1900s (1940s on) by consumers and for World War II decoding. Consumer wire recorders were often very small and portable. Wire recorders used thin wire(about the thickness of fishing wire) that ran at high-speeds. They recorded mostly higher frequencies. The most common problem from wire recorders is the wire tangleing, | ||
=== Magnetic tape === | === Magnetic tape === | ||