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Antique Books Preservation
Frequently Asked
Questions on Book Preservation
- How
should I store my books?
- How
should I display documents or works of art on
paper?
- Can I save
wet books? What if my books are
moldy?
- How can I
get rid of the smell of mildew in my
books?
- I have an
infestation. How can I get rid of bugs in my
books?
- How can I
preserve my newspaper
clippings?
- The
leather on my books is worn and scuffed. Should I oil
my leather bindings?
Store books out of direct sunlight and where air
can circulate freely. Store them away from windows and
don't put them on shelves against outside
walls.
Store books on flat, smooth shelves that are
strong enough to support their weight. Ideally, books
should not be in contact with unsealed wood because it
can release damaging acidic vapors. Line shelves with
acid free board to prevent this problem. Stand books
vertically side by side. Keep similar sizes together:
small books next to small books, and large books next to
large books. Use bookends to keep the books from falling
over, and be sure they are high enough to support the
books completely.
Avoid storing books in an attic or basement
because attics get too hot and basements get too damp.
Both are also subject to rapid changes in temperature and
humidity levels. Keep books out from under plumbing and
water pipes; water damage from these sources is all too
common.
To protect books with monetary or sentimental
value, keep them in custom-fitted archival boxes made
from high-quality materials.
Protect such items by hinging them into mats
that have both a back board and a window board. Ask your
picture framer for museum-quality mat board. To be of
museum quality, the board must be free of acid (alkaline,
ideally pH 7to pH 9) and colored with non-damaging dyes
that don't run if they get wet. The board could be
100% cotton rag or chemically purified wood pulp (high
alpha-cellulose and negative to lignin). Poor quality
mats can damage the pictures they are supposed to
protect. The most common damage is dark yellow staining,
particularly around the edges of the window mat that
frames the picture. Known as "matburn," the stain is
caused by migration of acidic components in the board.
Matburn can discolor an item dramatically and is also an
indication of chemical damage to the paper.
The method used to mount the document or picture
in the mat is critical. It should be attached to the
backboard of the mat with long-fibered paper hinges
(Japanese paper, usually) and cooked starch paste.
Although a straightforward procedure, accomplishing it
successfully can be tricky, so it's best to leave the
task to a trained conservator or professional picture
framer. A less complicated, but still archivally sound,
alternative is secure the item in the mat with
photocorners. High-quality polyester or paper
photocorners can be purchased from conservation
suppliers.
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