"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 3961130 | Memory dial for teletypewriter subscribers A system for storing dial data from a teletypewriter subscriber is arranged to be stored at the subscriber station until a new number is dialed by the subscriber. The system is arranged to handle both dial-pulse forms of dialing information as well as the... | 06/01/1976 |