Search Results for: Electric rotary convertors
"phone" redirects here. for other uses, see phone (disambiguation) . for the handheld personal computer, see smartphone . a rotary dial telephone, c. s at&t push button telephone made by western electric , model dmg black, a telephone (derived from the greek : τῆλε, tēle, "far" and φωνή, phōnē,
the hookswitch signals to the central office that the user has picked up the handset to either answer a call or initiate a call. a dial, if present, is used by the subscriber to transmit a telephone number to the central office when initiating a call. until the s dials used almost exclusively the rotary...
https://en.wikipedia.org/wiki/Telephone