Magnetic Recording First 100 Years
"The first magnetic recording device was demonstrated and patented by the Danish inventor Valdemar Poulsen in 1898. Poulsen made a magnetic recording of his voice on a length of piano wire.
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O knihe
"The first magnetic recording device was demonstrated and patented by the Danish inventor Valdemar Poulsen in 1898. Poulsen made a magnetic recording of his voice on a length of piano wire.
- Vydavateľstvo: WILEY
- Formát: Paperback
- Jazyk:
- ISBN: 9780780347090