Uh, oh! It's actually worse than I thought! :-)
Chuck Norcutt
Ken Norton wrote:
>> Given 40 or 50 year old phone lines with deteriorating insulation,
>> corroded and loose connections, etc, etc. it's sometimes amazing that we
>> get any working communications at all. :-)
>>
>> I just heard AG sigh and mutter to himself.
>
>
> Most copper bundles over 25 years old use paper insulation. Not a
> problem, really, unless it happens to be an air-core cable and the
> compressor dies.
>
> Air-core cables are literally air-filled cables which keeps moisture
> out by pushing pressurized air into the cable at the central office.
> We used to use lead covers on the cables. Easy to repair. When a leak
> developed someplace, just walk this microphone trolley along the cable
> till you heard the hissing and then go on up with a soldering iron to
> patch the hole. Worked pretty good. But unfortunately squirrels
> learned to like the flavor of lead and would chew it up. That's why
> they got even more whacky.
>
> AG
--
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