alb9004936
Edison's Phonograph. In 1877 Thomas Edison filed a patent on a machine that could record and play back sound. He demonstrated this simple device by reciting the poem Mary had a little lamb.
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Titel: Edison's Phonograph. In 1877 Thomas Edison filed a patent on a machine that could record and play back sound. He demonstrated this simple device by reciting the poem Mary had a little lamb.
Untertitel: Siehe automatische Übersetzung
Edison's Phonograph. In 1877 Thomas Edison filed a patent on a machine that could record and play back sound. He demonstrated this simple device by reciting the poem Mary had a little lamb. His voice caused the membrane in the microphone to vibrate. A stylus attached to the membrane drew grooves of varying depth in a sheet of tinfoil wrapped around a rotating cylinder which moved along the microphone with the stylus.
Edison's Phonograph. In 1877 Thomas Edison filed a patent on a machine that could record and play back sound. He demonstrated this simple device by reciting the poem Mary had a little lamb. His voice caused the membrane in the microphone to vibrate. A stylus attached to the membrane drew grooves of varying depth in a sheet of tinfoil wrapped around a rotating cylinder which moved along the microphone with the stylus.
Bildnachweis: Album / World History Archive
Freigaben (Releases): ? Modellfreigabe: Nein - ? Eigentumsfreigabe: Nein
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Bildgröße: 4123 × 5086 px | 60.0 MB
Druckgröße: 34.9 × 43.1 cm | 1623.2 × 2002.4 in (300 dpi)
Schlüsselwörter: KOMMUNIKATION • PHONOGRAPH
