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Re: [BKARTS] drying books



    I am amazed that you would use such acidic papers as newspaper end rolls
for working with books.  Isn't the acid sure to wick out?

> From: Ann Frellsen <libavf@EMORY.EDU>
> Reply-To: "Book_Arts-L: READ THE FAQ at http://www.philobiblon.com";
> <BOOK_ARTS-L@LISTSERV.SYR.EDU>
> Date: Wed, 26 Mar 2003 15:32:40 -0500
> To: BOOK_ARTS-L@LISTSERV.SYR.EDU
> Subject: Re: [BKARTS] drying books
>
> The trick to drying a book with interleaving is that you don't leave the
> interleaving sheets in place the entire time.
>
> Interleaving is added to absorb wick moisture out of the wet pages (so
> waxed paper is kinda defeating that purpose, though it does keep the
> coated papers from sticking together or 'blocking.' Pressing or
> weighting a book with interleaving in place is indeed likely to damage
> the binding.
>
> As the interleaving absorbs moisture you remove it and put in fresh
> sheets. This speeds the drying process up considerably and thus lessens
> somewhat the risk of mold growth in the damp fibers.
>
> We interleave every ten pages or so, then once those sheets have gotten
> wetted, we pull them out and insert a fresh sheet in between the last
> two, i.e., at a new point in the pages.
>
> I would never press a swelled book (with lots sheets added). Press
> (gently if coated papers) after the interleaving sheets have been
> removed.  I like to alternate pressing time and drying time. As an
> example: If it's really wet, you will interleave several times until the
> pages are just damp. Then press for a couple of hours, then interleave
> and place in front of fan for a couple of hours. Repeat as necessary --
> usually takes a few days with gradual lengthening of the press time and
> shortening of the dry time.  The pressing time will help to equalize and
> distribute the moisture more evenly, so the pages should dry with less
> cockling.
>
> Because the interleaving cockles as it wets (and yes, waxed paper will
> absorb moisture and cockle) it is important not to leave it in the
> textblock for too long.
>
> As this process gets time consuming and expensive we use cheap paper. We
> get end rolls of blank newsprint, cut it into a few standard sizes (ex.
> 5 inches x 8; 7 x 10, etc.). Those packages of folded paper towels (like
> used in public restroom dispensers) work great, too.
>
>
> Ann Frellsen
> Collections Conservator
> Preservation Office,  Woodruff Library, Rm. 127
> Emory University Libraries
> Atlanta, GA  30322-2870
> phone: 404-727-0307         FAX  404-727-0053
> http://web.library.emory.edu/preservation/
>
>
> Eric Alstrom wrote:
>
>
>> I understand the theory of interleaving, either with waxed paper or
>> absorbent towelling.  But in practice, how do you interleave between EVERY
>> page in such a large book?
>>
>> In my experience, even interleaving every 10 pages or so creates such a
>> swell that A) the book won't close in order to palce a weight on top of the
>> book and B) the binding can be damaged from all the added thickness, even if
>> you can get the waxed paper all the way to the spine on every page.
>
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