Michelle,
Reversibility with Acryloid B-72 is NOT an issue as long as one
understands that any coating/solvent system (including ink or paint)
that is used on a porous material may pose some concerns for
revesibility. But there are many well accepted methods for marking
textiles, paper based objects, etc.
One never uses any solvent system on a painted or coated artifact
unless one has done solvent soluability tests in an inconspicuous place
to ascertain if this poses a problem. I have seen B-72 used on the
backs of paintings in uncoated areas or on the underside of a chair
rail, for example, where the removal of the number would not affect the
finish.
I would hesitate to advise the use of a water soluable adhesive as
those nice pre-printed labels could float off or dissolve if the object
got wet in an event of a flood or a fire suppression system going off,
or even a damp cleaning by someone.
I believe that the NPS has a good ConservoGram on the labelling of
musuem objects.
Cheers!
Dave
David Harvey
Conservator
Los Angeles, California
-----Original Message-----
From: Michelle Zupan <[log in to unmask]>
To: [log in to unmask]
Sent: Mon, 21 Mar 2005 14:45:46 -0500
Subject: Re: Seeking materials for accessioning/registration project
There are various materials for labeling artifacts. The old school
way is
to use clear coat nailpolish and india ink. The problem is that
reversibility is messy and will damage the artifact, especially painted
and
varnished surfaces. Many places use B-72 acryloid, sold by University
Products, Gaylord, and other archival suppliers. It is preferable to
nailpollish, but reversibility is still an issue. I've worked with
several
conservators who recommend: printing the object number out on acid-free
paper with laser jet ink, putting down a base of water soluble adhesive
onto
the artifact, and placing the label on that. It seems to have good
wear, is
safely reversible, and you don't have the added issue of reading
someone's
handwriting (is it a 7 or a 4 or a 9??). The adhesives are available
from
all of the archival suppliers (all catalogs are available online).
Michelle
-----Original Message-----
From: Museum discussion list [mailto:[log in to unmask]] On
Behalf
Of Lancer 525
Sent: Monday, March 21, 2005 2:32 PM
To: [log in to unmask]
Subject: Seeking materials for accessioning/regisration project
I've recently begun working on catching up the catalog of artifacts and
other inventory of the small museum for which I work, and one of the
things
that has come up that I do not have in my supplies, is the "stuff" you
put
on an artifact on which you write the accession number.
There is also a clear coating that you put over this "base" that seals
the
ink. I not only don't know where to find this kind of thing, but I
don't
even know what it is called.
Also, if anyone can suggest sources for this, (preferably online
sources) as
well as good archival pens with which to mark artifacts, I would
appreciate
it!
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