working magnetic drum stores?

From: ed sharpe <>
Date: Thu Mar 25 23:43:31 2004

would be nice even to have a non working one to display in the museum here!
Thanks Ed Sharpe archivist for SMECC

Please check our web site at
to see other engineering fields, communications and computation stuff we
buy, and by all means when in Arizona drop in and see us.


 coury house / smecc
5802 w palmaire ave
glendale az 85301

----- Original Message -----
From: "Jules Richardson" <>
To: "General Discussion: On-Topic and Off-Topic Posts"
Sent: Thursday, March 25, 2004 3:35 PM
Subject: working magnetic drum stores?

> Just out of curiousity, does anyone still have a working drum storage
> device? wondering if any working examples have survived...
> I have a half-assed plan to try and find one from somewhere at some
> point. We have a Sperry unit that's way beyond repair, and don't have
> anything other than the drum assembly itself anyway (the bearings still
> seem good though so I might see if it can be coaxed into spinning) - but
> a working demonstration would be great hooked up to one of the 1960's
> machines.
> I gather that telphone exchanges used to use them here in the UK so
> maybe there are still a few lurking in private hands as they must have
> been reasonably common at one point. The flipside of course being that
> they're pretty bulky devices in themselves, and with the low reliability
> they've maybe all gone to scrap years ago (unlike other peripherals of
> the area which survived).
> cheers
> Jules
Received on Thu Mar 25 2004 - 23:43:31 GMT

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