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ARSCLIST  October 2019

ARSCLIST October 2019

Subject:

Re: cleaning Vogue disc

From:

Bryce Roe <[log in to unmask]>

Reply-To:

Association for Recorded Sound Discussion List <[log in to unmask]>

Date:

Wed, 30 Oct 2019 15:02:58 +0000

Content-Type:

text/plain

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Indeed, likely less risky! 

We’ve also had to do some label removal on lacquer discs in order to access inner-most grooves, so was interesting to read Nathan’s input here, thanks for sharing! We used methyl cellulose with success, based on careful testing of the adhesive and inks first. 

Anyway not suggesting that you proceed with any of these without understanding all the variables first. Rather, my paper lab colleagues have been able to offer their expertise on a few audio projects where papers and adhesives have been involved, so curious what others have encountered! If you’re able to learn more about the disc, paper and adhesive formulations I’d be happy to consult with them. Good luck!

Bryce

 
-- 
Bryce Roe

Director of Audio Preservation Services
NEDCC | Northeast Document Conservation Center
100 Brickstone Square
Andover, MA 01810
978-470-1010, ext. 237







On 10/30/19, 10:21 AM, "Association for Recorded Sound Discussion List on behalf of Jeff Willens" <[log in to unmask] on behalf of [log in to unmask]> wrote:

>IIRC, Vogue discs are not lacquer, but vinyl. According to http://voguepicturerecords.org/records.html: "The records were produced using a complicated process whereby a central core aluminum disc was sandwiched between the paper illustrations and vinyl."
>
>So it may not be as risky as lacquer to find the right treatment. 
>
>Jeff
>
>
>
>
>On Tue, 29 Oct 2019 16:27:06 +0000, Nathan Coy <[log in to unmask]> wrote:
>
>>The very short version of one process is:
>>
>>I worked with a paper conservator several years ago on a similar problem. The caveat (first) is that there are different types of adhesives, some are water soluble some are not, which is what Bryce is getting at I am guessing. In our case we have used the process to remove lacquer disc labels affixed with water soluble adhesive that feature non-water soluble ink when the label covers grooves. There is a gore text sheet that can be trimmed and damp blotter paper against the gore-tex. It is similar to the damp blotter pack on this page: https://www.conservation-wiki.com/wiki/PMG_Humidification,_Drying_and_Flattening. We used reverse osmosis water. One can also use mylar sheet trimmed/with cut outs, over the gore-text (or under) to targer specific areas. There are some different concerns than when applying it to disc as opposed to photographs, but  the cons section is relevant, including the one:
>>
>>"Empirical knowledge and skill are needed to create the perfect balance of humidification within the packet for photographic materials. Too little water in the system and the photograph needs long periods of time that may be detrimental to it. Too much water in the system and the photograph can become too saturated or wet with water, beyond dampness."
>>
>>The "pack" can be trimmed and sized only to apply it to the spot where it is needed which is a plus when it comes to introducing any moisture to a laquer disc.
>>
>>Before using, it calls for targeted testing of the disc (and other materials in contact wit the) surface, although knowing vogue discs, the surface is pretty durable and there are many issues/copies of them out there (generally).
>>
>>IMHO, It may not be worth the time required, unless there is something particularly unique or special about the disc. But it may be an opportunity to test process. We developed/used it for laquer and very rare discs that were in good shape and featured no cracking. Even with water soluble adhesive it may need to set for several hours to possibly overnight (in our experience).
>>
>>Nathan Coy
>>
>>Sound Archives Librarian
>>
>>Archive of Recorded Sound
>>
>>Stanford University Libraries
>>
>>Work: 646-716-1731
>>
>>
>>Please consider the content and context of exchange before forwarding or printing this message.
>>
>>________________________________
>>From: Association for Recorded Sound Discussion List <[log in to unmask]> on behalf of Bryce Roe <[log in to unmask]>
>>Sent: Tuesday, October 29, 2019 6:45 AM
>>To: [log in to unmask] <[log in to unmask]>
>>Subject: Re: [ARSCLIST] cleaning Vogue disc
>>
>>Hmm. Any idea what kind of paper..or glue (realize that ones a tall order)?
>>
>>Currently collaborating with folks in the paper conservation labs here on carefully removing paper towel that is stuck to (nearly embedded into) lacquer discs. Would be happy to consult with our labs if you wanted to send some photos.
>>
>>Bryce
>>--
>>Bryce Roe
>>
>>Director of Audio Preservation Services
>>NEDCC | Northeast Document Conservation Center
>>100 Brickstone Square
>>Andover, MA 01810
>>978-470-1010, ext. 237
>>
>>
>>
>>
>>
>>
>>
>>
>>On 10/29/19, 9:35 AM, "Association for Recorded Sound Discussion List on behalf of bARC" <[log in to unmask] on behalf of [log in to unmask]> wrote:
>>
>>>Folks - Advice on best practices cleaning paper glued to a Vogue 78rpm picture disc?  thx.  b.george ARC

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