I just love to watch trains and explore the history of Telephone Exchanges.
Tuesday, April 8, 2014
Reveiver+Off+Hook+Tone+for+Telephone+Switch+Type+:ATT/Philps+Tel+5ESS-PBX+Host
Reveiver+Off+Hook+Tone+for+Telephone+Switch+Type+:ATT/Philps+Tel+5ESS-PBX+Host
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