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• Use of Qwip Machine

  A mechanical device that used analog signals to create a facsimile document, the Qwip Machine was a marvel of its time. Two Qwip Machine users would establish a telephone conversation first. One user would have an original document fastened to the cylinder by the top of the page. The other user would have a blank sheet of paper fastened similarly. When ready to transmit, both users would place the handset into the machine's acoustic coupler. The cylinder would turn, and a stylus would read the image in vertical stripes. These stripes would be converted to sound and transmitted over the phone line to the other device, where the sound was reconverted into vertical stripes that were placed on the paper.

• Fast Facts

  1. Introduced in: 1970s
  2. Common uses: Early fax machine

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  Fax Machine | Telephones | Printers | Scanners | Computers

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