[Milsurplus] Apex Electronics
J. Forster
jfor at quik.com
Thu Feb 3 08:53:38 EST 2011
IBM did the same thing with tubes. Every am the CE replaced a bunch of tubes.
It was probably cheaper to replace the tubes than track down a failure or
intermittant.
I probably have a box of 12A?7s and 2D21s somewhere.
-John
=================
> de WB2CPN
> I did 21 years with AT&T Plant and Long Lines, and I can tell
> you now that the Old AT&T never once let a cent drop through
> the cracks. They owned Nassau Smelting on Long Island, NY,
> and everything that was removed when a switch, or anything
> else, was taken out of service went directly into a contractor's
> 18-wheeler, or a WECo Dumpster, and then off to melt down.
> Valuable metal, found on relay contacts, was often sold to
> the highest bidder, who usually shipped it to a Middle East
> Country I won't mention. Trivia, I know, but the Test Rooms,
> they were called, where the equipment used tubes, always
> had a "Tube Crusher" which destroyed aged tubes that were
> removed from working equipment. These tubes had a lot of
> life left in them, and AT&T did not want them peddled to
> a reseller. (AT&T replaced tubes by the clock and calendar,
> tapping out at about 80 per cent of expected life. We
> wanted your calls to go through 100 per cent of the time.)
> 73 Clete
>
>
>
>
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