Standard
handset used on most GPO 200 and 300 type telephones. Standard
handset used on most GPO 200 and 300 type telephones.
After introduction, refurbished Telephones No's 59 & 88 were converted to accept these handsets.
Circuit diagram N264.
Click here for the circuit diagram - Web users - CD users.
See also the Telephone Efficiency Committees Report
on Local Battery Area telephones.
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