David Boyes wrote:
If these are the ones that are five or six inches long with a swab on
one
end, Radio Shack used to carry them.
No longer (at least not in DC). They claim they discontinued them when
they stopped selling reel-to-reel tape.
YMMV.
-- db
Might be worth
David Boyes wrote:
Pretty scary that the circa 1970s volumes actually seem to have a higher
readability index so far.
Not too surprising to those who dabble in pro audio, though. In the late 70s-early 80s tape manufacturers developed new/improved formulae for tape backings. Of course t
The really good cleaning fluid, was issued by STK and a few other third
party hardware vendors, was Freon based. But you cannot get it anymore,
it has been banned because it damages the ozone layer. So your stuck
with denatured alcohol now.
Leif
David Boyes wrote:
Date: Wed, 19 Jul 2006 13:48:
> To: IBMVM@LISTSERV.UARK.EDU
> Subject: Re: More Ancient History: source for 3420 cleaning fluid?
>=20
> I'll bet that you could find a retired CE to verify that. You could
> probably get an answer from IBM as well. Want me to send a note to
our
> CE?
> Jim
>=20
> At 0
> If these are the ones that are five or six inches long with a swab on
one
> end, Radio Shack used to carry them.
No longer (at least not in DC). They claim they discontinued them when
they stopped selling reel-to-reel tape.
YMMV.
-- db
On Wed, 19 Jul 2006 13:10:56 -0500, Dave Jones wrote:
>The stiff cotton swabs that you use to clean the head could be replaced,
>I think, by some soft cotton fabric on a medical tongue depressor.
>
If these are the ones that are five or six inches long with a swab on one end,
Radio Shack used to
On Jul 19, 2006, at 2:11 PM, David Boyes wrote:
Are there any PUT tape with service for non-copyright
software in there. COul they be released.
I only as the VM/370R6 we have is at (I think) L620
but the latest tape we have is 616
There are service tapes for early releases of VM/370 in th
> Are there any PUT tape with service for non-copyright
> software in there. COul they be released.
> I only as the VM/370R6 we have is at (I think) L620
> but the latest tape we have is 616
There are service tapes for early releases of VM/370 in the collection,
but I'd need written permissio
> I plan to publish at least the tape maps of the few
> readable volumes in
> the whole mess (about 1 tape in 15 are actually
> readable so far). I
> doubt I'll be able to provide the content unless the
> IBM archivist tells
> me in writing that they really don't care about 30+
> year old PUT tapes
I have some old stuff from STK..
From: The IBM z/VM Operating System
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Wednesday, July 19, 2006
1:51 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: More Ancient History:
source for 3420 cleaning fluid?
Try tape
; From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED]
On
> Behalf Of Jim Bohnsack
> Sent: Wednesday, July 19, 2006 2:30 PM
> To: IBMVM@LISTSERV.UARK.EDU
> Subject: Re: More Ancient History: source for 3420 cleaning fluid?
>
> I'll bet that you could find a retired
> As far as I can recall, DB, the cleaning fluid in the nice IBM pint
> cans, was nothing more than denatured alcohol. IBM packaged it for
those
> shops that had an "all-blue" mandate from management as far as IT
> equipment went:-)
OK. Isopropyl alcohol is easy to come by.
> Thanks, too, fo
Try tape head cleaner for audio tape
decks, that might work okay for what you're doing.
David Boyes <[EMAIL PROTECTED]>
Sent by: The IBM z/VM Operating System
07/19/2006 01:48 PM
Please respond to
The IBM z/VM Operating System
To
IBMVM@LISTSERV.UARK.EDU
cc
Subject
More Anci
I'll bet that you could find a retired CE to verify that. You could
probably get an answer from IBM as well. Want me to send a note to our CE?
Jim
At 02:10 PM 7/19/2006, you wrote:
As far as I can recall, DB, the cleaning fluid in the nice IBM pint
cans, was nothing more than denatured alcoho
As far as I can recall, DB, the cleaning fluid in the nice IBM pint
cans, was nothing more than denatured alcohol. IBM packaged it for those
shops that had an "all-blue" mandate from management as far as IT
equipment went:-)
The stiff cotton swabs that you use to clean the head could be re
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