30th Apr 2019, 4:19 pm
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#2
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Octode
Join Date: Mar 2011
Location: Sheffield, South Yorkshire, UK.
Posts: 1,453
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Re: Braided cords for later 300 series phones
It was in the 1960s but I can't say closer than that.
Straight PVC cords were used in the interim very briefly; I've only come across one of those 'in the wild.'
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