| Signature mark | NL 124/127 |
|---|---|
| Title | Patentunterlagen zu britischen Patentanmeldungen von Dirks |
| Contains | Patent Specification: 786.021 "Improvements in or Relating to Electric Calculators", 1957 786.023 "Improvements relating to the Printing of Information Received from a Record Means such as a Magnetic Storage, Cathode Ray Screen or the like", 1957 786.024 "Improvements Relating to the Means for the Printing of Characters", 1957 786.025 "Improvements in Data-Entry Means for Electro-Mechanically Controlled Office Machines", 1957 786.026 "Improvements in Means for the Visual Indication of Numbers and other Information", 1957 786.027 "Improvements Relating to the Printing of Characters"1957 Korrespondenz mit dem Patent Office, London, u. Patent Specification betr. Patent: 786.022 "Improvements Relating to the Printing of Characters", 1957-1958 Beschreibung betr. Patentanmeldung 786.028 "Improvements in Teletyping Means for the Printing or other Indication of Numbers and other Information", 1957-1958 37207/54 "Improvements in Means for the Visual Indication of Numbers and other Information", 1964 37209/54 "Improvements in Selective Switching or Coupling Means", 1955-1956 |
| Duration | 1955 - 1964 |
| Scope | 1 M. ms. u. gedr., Kopie |
| Rights notice | CC BY-SA 4.0 |
