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Old 29th Mar 2020, 7:43 pm   #6
Sparks
Heptode
 
Join Date: Oct 2006
Location: Leeds, West Yorkshire, UK.
Posts: 593
Default Re: GPO 713 Pendant phone and 'under desk'dial.

Thankyou pmmunro. I suspect various types of control room were envisaged as a likely home for the 713. I've certainly seen them in a few airport control towers over the years (but never with a dial unit), often with a key and lamp unit or push button telephone switches, albeit not recently.
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