HISTORY of ATM
INTERCOM TELEPHONES
LOUD SPEAKING TELEPHONES
STROWGERPHONE - AE MONOPHONE
SWITCHBOARDS
TELEPHONES
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Tropicalised telephones have the part number prefixed by the letter "J".
Some ATM telephone have "SPL" stamped on the base, close to the model number.
The usual No. 24C dials (T.4219 or L39298) fitted on ATE/ATM phones had black finger plates. They
did fit "chrome" finger plates (they do not
not appear to be stainless steel) on 300 type telephones as luxury models for executives
and marked the phone as "SPL" following the LXXXX part number. They
also fitted this
"luxury" dial with a "pawl lifting cam" which stops the dial
"click/click/clicking" when it is wound up. The clicking was one of the
objections to the dial, but with this extra cam, it is as quiet as a GPO
Dial No. 10 (T.4213 or T.4214).
ATM TELEPHONES