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<div class="moz-cite-prefix">Hi Melissa,</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">just to chip-in to what Paul said:
archaeozoolgy colleagues use small boxes and contrasting sand for
the positioning of fragile bones and artefacts; works in the lab
and in the field.</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">With best wishes</div>
<div class="moz-cite-prefix">Dirk<br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Am 20.04.2021 um 14:10 schrieb
Callomon,Paul:<br>
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<p class="MsoNormal">Hi Melissa,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Contrary to its makers’ assertions, Blu-tak
bleeds oil and stains anything it touches. The same is true of
modeling clay, plasticine, putty and anything that remains
pliable in air.
<o:p></o:p></p>
<p class="MsoNormal">We worked on this problem for some while
and concluded that the only method for holding specimens that
won’t leave a residue is a scaleable mechanical holder. You
can read about the one we came up with here:<o:p></o:p></p>
<p class="MsoNormal"><a
href="https://www.researchgate.net/publication/347950720_A_simple_system_for_holding_mollusk_shells_and_other_small_objects_for_photography"
moz-do-not-send="true">https://www.researchgate.net/publication/347950720_A_simple_system_for_holding_mollusk_shells_and_other_small_objects_for_photography</a><o:p></o:p></p>
<p class="MsoNormal">We also use black sand or felt bags full of
lead shot to prop larger things up in the desired position.
Both work well.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="background:white"><span
style="font-size:12.0pt;color:black">Paul Callomon<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="font-size:12.0pt;color:black">Collection Manager,
Malacology and General Invertebrates<i><o:p></o:p></i></span></p>
<div class="MsoNormal"
style="text-align:center;background:white" align="center">
<span style="font-size:12.0pt;color:black">
<hr width="100%" size="2" align="center">
</span></div>
<p class="MsoNormal" style="background:white"><b><span
style="font-size:12.0pt;color:black">Academy of Natural
Sciences of Drexel University</span></b><b><span
style="font-size:12.0pt;color:black"><o:p></o:p></span></b></p>
<p class="MsoNormal" style="background:white"><span
style="font-size:12.0pt;color:black">1900 Benjamin Franklin
Parkway, Philadelphia PA 19103-1195, USA<br>
<i><a href="mailto:prc44@drexel.edu" moz-do-not-send="true"><span
style="color:#0563C1">prc44@drexel.edu</span></a> Tel
215-405-5096 - Fax 215-299-1170</i><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<div style="border:none;border-top:solid #E1E1E1
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<p class="MsoNormal" style="margin-left:.5in"><b>From:</b>
Nhcoll-l <a class="moz-txt-link-rfc2396E" href="mailto:nhcoll-l-bounces@mailman.yale.edu"><nhcoll-l-bounces@mailman.yale.edu></a>
<b>On Behalf Of </b>Melissa Holt<br>
<b>Sent:</b> Monday, April 19, 2021 7:57 PM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:nhcoll-l@mailman.yale.edu">nhcoll-l@mailman.yale.edu</a><br>
<b>Subject:</b> [Nhcoll-l] Blu-tak on specimens<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<table class="MsoNormalTable"
style="width:100.0%;margin-left:.5in" width="100%"
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<tbody>
<tr>
<td style="border:none;border-left:solid goldenrod
3.0pt;background:cornsilk;padding:0in 3.0pt 0in 3.0pt">
<p><b><span
style="font-family:"Arial",sans-serif;font-variant:small-caps">External.<o:p></o:p></span></b></p>
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<p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:12.0pt;color:black;background:white">Hi
all, </span><span style="font-size:12.0pt;color:black">
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"
style="margin-left:.5in;background:white"><span
style="font-size:12.0pt;color:black">I was looking for
some advice on alternatives for blu-tak when used on
natural science specimens. I know there is no perfect
solution but the scientists at our museum continue to
use it and I am hoping there is something better. They
use it a lot in housing to keep a specimen in place or
during microscopy. Any recommendations would be
greatly appreciated.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"
style="margin-left:.5in;background:white"><span
style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"
style="margin-left:.5in;background:white"><span
style="font-size:12.0pt;color:black">Thank you,<o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:12.0pt;color:black;background:white">Melissa.</span><span
style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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