✦ LIBER ✦

Dialling over Long-Distance Telephone Circuits

✍ Scribed by Horsfield, B.R.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Voice-frequency signalling and dialling

✍ Radley, W.G.; Wright, E.P.G. 📂 Article 📅 1941 🏛 Institution of Electrical Engineers ⚖ 577 KB

Improving Long-Distance Telephone Transm

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

LONG DISTANCE TELEPHONE CALLS WITHOUT AS

📂 Article 📅 1945 🏛 School Science and Mathematics Association 🌐 English ⚖ 57 KB