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Word: telephonograph (lookup in dictionary) (lookup stats)
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Usage:

...instrument, which includes an ordinary telephone receiver, a wire recorder and a push-button control box, is the first fully automatic telephonograph. If its owner is busy or out, the gadget patiently waits out four rings, then croaks: "This is the Ipsophone, Blank Company, Mr. Smith's office. Attention. Please speak-now." If the caller is struck speechless, the machine waits politely for twelve seconds then repeats its invitation. The Ipsophone will listen for up to half an hour without interruption, recording every word...

Author: /time Magazine | Title: Science: Let It Ring! | 7/29/1946 | See Source »

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