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Telephone. Long Distance Message

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Improving Long-Distance Telephone Transm

📂 Article 📅 1935 🏛 Nature Publishing Group 🌐 English ⚖ 114 KB

Dialling over Long-Distance Telephone Ci

✍ Horsfield, B.R. 📂 Article 📅 1944 🏛 Institution of Electrical Engineers ⚖ 300 KB

The Italian Telephone Long Distance Netw

✍ Mazzarella, M. ;Gagliardi, D. ;Vallese, F. 📂 Article 📅 1967 🏛 IEEE 🌐 English ⚖ 671 KB

Automatic Service of Long-Distance Telep

📂 Article 📅 1940 🏛 Nature Publishing Group 🌐 English ⚖ 243 KB

Echo suppressors and long distance telep

✍ Shanks, P.H. 📂 Article 📅 1967 🏛 Institution of Electrical Engineers ⚖ 219 KB

Advance planning of long distance teleph

✍ Mcfarland, C. C. 📂 Article 📅 1931 🏛 Institute of Electrical and Electronics Engineers ⚖ 194 KB