I just love to watch trains and explore the history of Telephone Exchanges.
Sunday, October 30, 2016
How much of Knoxville TN had this off hook tone
How much of Knoxville TN had this off hook tone? So far I saw there were Halls Telephone Exchange Inc. and Concord Telephone Exchange Inc. around Knoxville. So, how much of Knoxville TN had this off hook tone? Please let me know. Thank you.
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