"rubber" preservation

From: Tom Uban <uban_at_ubanproductions.com>
Date: Mon Apr 8 10:50:45 2002

Ahh, then my Anderson Jacobson Model A 242A is likely to be
the third generation model. It is interesting to note that
along with the changes in model technology, the handsets on
telephones have changed enough over the years that few will
even still fit properly into the old acoustic couplers any


At 10:10 AM 4/8/02 -0400, you wrote:
>> >This reminds me, these acoustic couplers may need some periodic
>> >maintenance, such as putting some talcum powder on the rubber pieces
>> >that hold the telephone handset.
>> I've also seen it recommended for refrigerator door gaskets.
>> What talcum would do to protect rubberized plastic from
>> deteriorating is a mystery to me. Are we talking about
>> actual latex in any of these situations? I think not.
>> I would guess these rubbers harden or goo-ify over time
>> due to something other than lack of talc, such as long-term
>> exposure to UV or ozone or absorption of volatiles from
>> other plastics.
>> I have an old Anderson-Jacobsen 300 baud modem in a wooden
>> box that needs a new home, I think...
>The wooden ones are the original, 1st generation AJ's, IIRC...
>I have the second-generation plastic shell that assembles
>with an aluminum "waistband" and allenhead screws. The
>third generation used thinner plastic clamshells and no
>waistband, just some tapered Philips-head screws. The
>3rd generation was also limited to 300 baud, while my
>2nd generation could do 450 & 600 using the 300 standard
>(Bell 101?).
>-Douglas Hurst Quebbeman (DougQ at ixnayamspayIgLou.com) [Call me "Doug"]
> Surgically excise the pig-latin from my e-mail address in order to reply
> "The large print giveth, and the small print taketh away." -Tom Waits
Received on Mon Apr 08 2002 - 10:50:45 BST

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