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Many early manual telephones had an attached hand-cranked magneto that produced an alternating current (AC) at 50–100 V for signaling to ring the bells of other telephones on the same (party) line, and to alert an operator at the local telephone exchange. These were most common on long rural lines served by small manual exchanges which did ...
This phone is fully interoperable with the EE-8, TA-1, TA-43 and TA-312 series of US Field Phones. EE-8 A part of The Marshall Plan (from its enactment, officially the European Recovery Program, ERP) The EE-8* was used in USA from World War II to late seventies, and in Norway from World War II until the TP-6 could replace it.
The new handset became the new standard in the Bell System and was used in refurbishing existing hand telephone sets for reissue as 202-type sets for almost another two decades. In the 1950s, large quantities of old telephones were retired in favor of the popular new model 500 telephone, creating a stock pile of still usable parts. At the same ...
Inside is the actual phone that is powered by a 1.5-volt battery. A standard handset with earpiece and microphone is used (called Mikrotel). The canvas surrounding the phone has a circular opening for the crank, through the actuation of the ring signal is triggered at the other end. The ring signal is generated by a hand crank.
Western Electric 302 telephone with a thermoplastic case. The model 302 telephone is a desk set telephone that was manufactured in the United States by Western Electric from 1937 until 1955, and by Northern Electric in Canada until the late 1950s, until well after the introduction of the 500-type telephone in 1949.
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In phones connected to common battery exchanges, the ringer box was installed under a desk, or other out of the way place, since it did not need a battery or magneto. Cradle designs were also used at this time, with a handle with the receiver and transmitter attached, separate from the cradle base that housed the magneto crank and other parts.
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related to: parts for old crank telephones for sale cheap walmart