Installation of the first direct telecommunications link between the Netherlands and Denmark by means of repeatered submarine coaxial cable 1951 / Standard Telephones and Cables … manual Electrical instruments and telephones of the U.S. signal corps : revised 1910 Telephon- und Signalvorschrift für die k.u.k. Infanterie und die Jägertruppe Handbuch für den Telephon- und Signaldienst / J. Czermak Telephon und dessen praktische Verwendung / J. Maier u. W.H. Preece Telephon, Mikrophon und Radiophon, und ihre Anwendung in der Praxis / F. Shwartze elektrischen Telegraphen, das Telephon und Mikrophon / F. Binder Carrier terminal OA-13/FC, carrier repeater OA-10/FC, and carrier filter F-36/FC (type H carrier telephone packaged equipment) - USA Voorschrift, Technical Manual, 11-2025 training manual / united states army Telephone switchboard operator : students manual for all arms Test set I-142 and test set I-142-A (telephone) - USA Voorschrift, Technical Manual, 11-2062 Hazeltine Electronics Corporation. Preliminary instruction book for navy model TCS-6 radio telephone and telegraph transmitting and recieving equipment IT & T International Telephone and Telegraph. Worldwide manufacturing and telecommunications
