The Machine that Makes Your Phone Ring
In this installment of "Dial Equipment Appreciation", we'll talk about the big ringing machine and how it works! Previous ringing video: • How does telephone ringing work? Thanks to Evan Doorbell, atlantatelephonehistory.org, and Phil McCarter http://www.evan-doorbell.com http://atlantatelephonehistory.org/at... / sxsphil 00:00 Intro 00:30 P-Type ringing machine overview 02:48 Motors 03:55 Coin Voltage Generator 04:57 Ringing Generator 05:48 Tone Alternator 15:13 Interrupters 18:03 Ringing Machines in Storage
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