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2600 Meeting

August 2, 2019 by The Telephone Museum
at tonight's 2600 meeting we reveal the inside of a rare DTMF device not opened in 48 years
At tonight’s 2600 meeting we reveal the inside of a rare DTMF device not opened in 48 years…
Categories 2600 Meetings Tags 2600, 2600 Meetings
Keep Calm And Take Stuff Apart
On This Day in Telephone History August 6TH 1940
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