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Re: [ARSCLIST] Can Magnetic Tape Be Frozen?
It is my understanding that early color motion picture film may be
stored at temperatures below freezing. I have not heard of this with
"audio magetic sound film" however.
-- Brandon
On Wed, 1 Dec 2004 11:56:39 -0500, Watsky, Lance
<lwatsky@xxxxxxxxxxxxxxx> wrote:
> This is being posted for Beth Delaney, Nederlands Institute for Sound and Vision
>
> "Can anyone tell me if it is acceptable to freeze magnetic sound film? I don't seem to find in any literature that this is not a good idea. Often the literature states that it is recommended to "freeze acetate film", not differentiating between acetate image material and acetate magnetic sound film."
>
> I personally believe that it is probably not recommended, but I wanted to check with the ARSC folks, before responding back to Beth.
>
> Thanks,
> Lance Watsky
> Preservation & Media Specialist
> The Georgia Archives
> 5800 Jonesboro Road
> Morrow, GA 30260
> 678-364-3764 (phone)
> 678-364-3860 (fax)
> lwatsky@xxxxxxxxxxxxxxx
> www.GeorgiaArchives.org
>
> -----Original Message-----
> From: Association for Recorded Sound Discussion List
> [mailto:ARSCLIST@xxxxxxx]On Behalf Of Jack Raymond
> Sent: Wednesday, December 01, 2004 9:14 AM
> To: ARSCLIST@xxxxxxxxxxxx
> Subject: Re: [ARSCLIST] LP Groove Repair
>
> Eric Jacobs wrote:
>
> > I have a 1963 LP which has a deep gouge - it looks like the needle had been
> > dropped very hard, leaving a pit in the record that is 2.5 grooves wide.
> > Depending on how I set the anti-skate, I get one of two effects: (a) the
> > stylus skips and will not continue past the gouge or (b) the stylus jumps a
> > groove, skipping 1.8 seconds of music. I've looked at the groove under a
> > 150x microscope, and it appears that the gouge is 0.010" deep. For the
> > really curious, I might try to photograph the damage.
> >
> > Does anyone have any experience on how to span this gouge? Any conservation
> > techniques for filling such damage just so to make the rest of the grooves
> > playable? Or am I just outta luck on this one. I have a steady hand and
> > good optics/magnification.
>
> Here is a method that works well for repairing digs on 78s, and you might try it
> on your LP: Place the record under a strong light. Squeeze a drop of Elmer's
> Glue-All onto a piece of cardboard. Dip the point of a needle into the glue to
> pick up a tiny bead of glue and -- using a magnifying glass -- transfer the glue
> to the pit in the record. Repeat until the pit is filled. Let it dry. Apply
> more glue if necessary. Then, when completely dry, carefully shave the glue
> flat with a razor blade. Play the record with a light stylus and with no
> anti-skate pressure. The stylus will etch a new groove, after which stylus
> pressure can be returned to normal. The nice thing about this method is that it
> is reversible: the glue does not bond tightly to the surface and can be removed
> easily.
>
> -- Jack Raymond
>