On 4/8/19 9:06 PM, Jeff Woolsey via cctech wrote:
>> I've noted earlier that the vinyl "hanger strips" for 1/2" magnetic tape
>> have been degrading, becoming brittle and simply breaking away,
>> sometimes in small particles.
>
> I have about a hundred tapes from various contributors, and have not
On 4/8/19 9:26 PM, Adrian Stoness via cctech wrote:
whats with the weird tag on this thread?
It looks like the spaces got encoded as %20 for some reason.
--
Grant. . . .
unix || die
> I've noted earlier that the vinyl "hanger strips" for 1/2" magnetic tape
> have been degrading, becoming brittle and simply breaking away,
> sometimes in small particles.
I have about a hundred tapes from various contributors, and have noticed
no age-related [1] deterioration of the seals, proba
On 4/8/19 10:44 AM, Kevin Monceaux via cctalk wrote:
> On Fri, Apr 05, 2019 at 10:57:54AM -0700, Chuck Guzis via cctalk wrote:
>
>> I hit on the idea of using 16mm move film plastic "cans". Much to my
>> surprise, I found that there is still an active market for these things.
>
> My small 16mm
I hit on the idea of using 16mm move film plastic "cans". Much to my
surprise, I found that there is still an active market for these things.
On Mon, 8 Apr 2019, Kevin Monceaux via cctalk wrote:
My small 16mm collection is stored on an open reel tape cart.
I wonder how tape rings would do on
On Fri, Apr 05, 2019 at 10:57:54AM -0700, Chuck Guzis via cctalk wrote:
> I hit on the idea of using 16mm move film plastic "cans". Much to my
> surprise, I found that there is still an active market for these things.
My small 16mm collection is stored on an open reel tape cart.
--
Kevin
ht
This is what the end of a short 6" Univac leader looks like:
https://i.imgur.com/wPH93Cz.jpg
Apologies for the poor quality, but even with the naked eye, it's hard
to see that the leader end is "looped" I might be able to enhance this
a bit with some image finagling, if anyone's interested.
The
> -Original Message-
> From: cctalk On Behalf Of Chuck Guzis via
> cctalk
> Sent: 06 April 2019 01:46
> To: Paul Koning via cctalk
> Subject: Re: Storage for 1/2" open reel tape
>
> On 4/5/19 5:31 PM, Paul Koning via cctalk wrote:
>
> > If this
On 4/5/19 6:13 PM, Al Kossow via cctalk wrote:
> I had to re-thread the UNISERVO that is on display at CHM. I have to try
> to find my pictures that I took.
>
> http://bitsavers.org/pdf/univac/magtape/PX899_Mechanical_Parts_of_UNISERVO_Apr58.pdf
>
> show it.
>
My guess on the vintage of these
the other thing I had wondered about was how they kept metal tape from
destroying the head. there is a spool of plastic tape that goes between
the head and the tape
On 4/5/19 6:13 PM, Al Kossow via cctalk wrote:
>
>
> On 4/5/19 5:45 PM, Chuck Guzis via cctalk wrote:
>
>> Univac had an interest
On 4/5/19 5:45 PM, Chuck Guzis via cctalk wrote:
> Univac had an interesting setup for Uniservo tape drives--I see a lot of
> reels with a short (maybe 6") "leader" with a hole spliced onto tapes.
> I'm not sure how that worked
I had to re-thread the UNISERVO that is on display at CHM. I have
On 4/5/19 5:31 PM, Paul Koning via cctalk wrote:
> If this works, which is most of the time, it's a great time saver. As an
> operator you just hang the reel on the spindle, hit "load" and walk away to
> the next task.
>
> I think IBM may have originated this magic; several of the later DEC ta
> On Apr 5, 2019, at 7:15 PM, Grant Taylor via cctalk
> wrote:
>
>> ...
>> But basically, just behind the "hook", there's a black plastic latch. When
>> closed, it tensions the white band.
>> https://www.electronicsurplus.it/open2b/var/products/27/92/0-d95b2a25-800.jpg
>
> ACK
>
> I'm gett
On Fri, Apr 5, 2019 at 4:54 PM Chuck Guzis via cctalk
wrote:
> On 4/5/19 4:15 PM, Grant Taylor via cctalk wrote:
>
> > ACK
> >
> > I'm getting the mental impression that it's somewhat like a spring form
> > pan. The latch opens and releases tension off of the strip that goes
> > around the tape
On 4/5/19 4:15 PM, Grant Taylor via cctalk wrote:
> ACK
>
> I'm getting the mental impression that it's somewhat like a spring form
> pan. The latch opens and releases tension off of the strip that goes
> around the tape reel. When it's latched, it cinches against it. When
> it's unlatched, th
On 4/5/19 4:44 PM, Chuck Guzis via cctalk wrote:
The IRS facility photo used the IBM style; not flexible, but rather a
two-part sliding rigid plastic arrangement. I think that the IRS also
used a robotic "picker.
I'd hazard a guess that the IRS acquired theirs from IBM. Even if they
are mor
On Fri, 5 Apr 2019, Chuck Guzis via cctalk wrote:
On 4/5/19 2:58 PM, Grant Taylor via cctalk wrote:
On 4/5/19 3:20 PM, Chuck Guzis via cctalk wrote:
See how each reel of tape hangs from a slot in a horizontal bar? Those
white-and-black strips wrapped around the tapes are what I'm referring
to
On 4/5/19 2:58 PM, Grant Taylor via cctalk wrote:
> On 4/5/19 3:20 PM, Chuck Guzis via cctalk wrote:
>> See how each reel of tape hangs from a slot in a horizontal bar? Those
>> white-and-black strips wrapped around the tapes are what I'm referring
>> to as being deteriorated.
>
> How does that co
On 4/5/19 3:20 PM, Chuck Guzis via cctalk wrote:
See how each reel of tape hangs from a slot in a horizontal bar?
Those white-and-black strips wrapped around the tapes are what I'm
referring to as being deteriorated.
How does that come off the reel?
Does the reel slide out? Does it unlatch?
On 4/5/19 1:49 PM, Ali via cctalk wrote:
>> I hit on the idea of using 16mm move film plastic "cans". Much to my
>> surprise, I found that there is still an active market for these
>> things.
>
> Chuck,
>
> For the uneducated amongst us exactly what are you referring to? Are you
> talking about
> I hit on the idea of using 16mm move film plastic "cans". Much to my
> surprise, I found that there is still an active market for these
> things.
Chuck,
For the uneducated amongst us exactly what are you referring to? Are you
talking about the plastic can where the tape sits in? Or the strap
I've noted earlier that the vinyl "hanger strips" for 1/2" magnetic tape
have been degrading, becoming brittle and simply breaking away,
sometimes in small particles.
So I set off looking for a low-cost substitute--any hangers that I could
rustle up would probably be on their last legs at this lat
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