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Vermont pgm 1: Independent Step in Marshfield, July 1975

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What Did the Old Telephone Network Sound Like? Overview of the Recordings

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Die letzten Tage der mechanischen Vermittlungstechnik

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The Sounds of Long Distance, pgm 17: "Northern Urban" Cities (1974-1978)

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What Happened to Soviet Computing? Why Their Computer Industry Disappeared

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The Fascinating Story of Fluke,The Washington Engineer Who Built The World's Most Trusted Multimeter

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Central Office ALARMS!!!

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Getting my HALO back! - Parasound's A52

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The Fire, pgm 8: Replacing City & Interzone tandems, November 1975

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This Computer Did Things No Computer Should Do

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Please Hang Up... (Permanent Signal Recordings 1971-1983)

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The Sounds of Long Distance, Introduction

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Dialing Those Mysterious "1xx" and "0xx" Codes, 1974-1980

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The Crossbar Switch

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The Sounds of Long Distance pgm 13: DDD Demo Recordings 1971-1975; SP1 Tandems 1976 (re-upload)

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AT&T Long Lines: The Wireless Network Before the Internet

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Telefon-Verbindungsaufbau mit Wählsytem 27/50a (HDW = Heb-Dreh-Wähler)

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RCA Victor TV History: The Reasons Why RCA Victor Television Division TV - CharlieDeanArchives

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Bronx pgm 3A: #1 Crossbar in Hoe Ave. CO, pgm 1, 1976-78

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