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Restoration of braided flexible cable, circa 1925 (Low Voltage!)

Managed to locate a pair of circa 1925 Ericsson BBC Headphones suitable for my similar age Ericsson Crystal Radio. The braided flexible cable looks a bit mucky.

I suspect that the inners are tinsel wrapped cotton similar to that used by Post Office Telephones in the days of plaited handset flexibles of the 1940s 50s. I guess there would be rubber overall insulation beneath the braid.


Question is, how to clean the cable up?  Ideas that have so far come to mind are 1) Hand hot water with some washing up liquid, or 2) electrical solvent such as Isopropyl Alcohol. I am a little wary as to be would be kinder to the rubber over insulation (If any) and the tinsel covered cotton?


Either way, or any other way, would be to afterwards jang the wet flex close to a CH radiator to dry out.


Thanks.

Clive

Parents

  • davidwalker2:

    Glad that it was all successful, Clive.  My daughter had the same treatment a year or so ago - completely satisfactory.

    Isn't the "click" inside your head weird?

    David




    You have started something there!



    I emailed the Consultant Ophthalmologist who carried out the SLT procedure and he replied, "Not really been asked this before, don’t think I hear a click as such, but will make a point of listening next time I do one so I can update you." I will be seeing him again 17th April. I also asked my cousin who is also my Optometrist and she replied, "Patients do tell me that they hear the clicks but I never knew that it was in the head!"

    The Consultant sits as close to the equipment as the patient, so an internal audible click would likely have been heard by both patient and Consultant.

    Interesting...

    Clive



Reply

  • davidwalker2:

    Glad that it was all successful, Clive.  My daughter had the same treatment a year or so ago - completely satisfactory.

    Isn't the "click" inside your head weird?

    David




    You have started something there!



    I emailed the Consultant Ophthalmologist who carried out the SLT procedure and he replied, "Not really been asked this before, don’t think I hear a click as such, but will make a point of listening next time I do one so I can update you." I will be seeing him again 17th April. I also asked my cousin who is also my Optometrist and she replied, "Patients do tell me that they hear the clicks but I never knew that it was in the head!"

    The Consultant sits as close to the equipment as the patient, so an internal audible click would likely have been heard by both patient and Consultant.

    Interesting...

    Clive



Children
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