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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I am wondering if the metal clamp itself might have been a factor with the breaking jar? – relative thermal properties of metal and glass.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">When we moved collections into a temperature-controlled facility, a number of cylinder-shaped jars (albeit not Whitall Tatum) whose lids were secured with such clamps suffered
cracking. In this case the jars appeared to be fine with the clamps removed so long as sealant was properly applied.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;color:#1F497D">Andrew Cabrinovic</span></b><b><span style="font-family:"Times","serif";color:#1F497D">
</span></b><span style="font-size:10.0pt;color:#1F497D">/ Curator, Invertebrates Division</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">
</span><span style="font-size:10.0pt;color:#1F497D">/ Dept of Life Sciences / DC(1) rm505
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Natural History Museum, Cromwell Road, London SW7 5BD, U.K.</span><span style="font-family:"Times","serif";color:#1F497D">
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> nhcoll-l-bounces@mailman.yale.edu [mailto:nhcoll-l-bounces@mailman.yale.edu]
<b>On Behalf Of </b>Callomon,Paul<br>
<b>Sent:</b> 20 March 2015 19:44<br>
<b>To:</b> Nancy Glover McCartney; nhcoll-l@mailman.yale.edu<br>
<b>Subject:</b> Re: [Nhcoll-l] old glass containers<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Those are Whittall Tatum jars, made here in Philadelphia and at least 80 years old. The bigger the size, the more fragile they are; I have a ten-gallon
one that we handle very carefully indeed.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The smaller ones are pretty tough, though, and I’ve used the half-gallon size for years. They are made of soda glass and will crizzle in time,
but are thick enough that it won’t weaken them significantly.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">You can cut new gaskets from neoprene sheet, but we make do with archival plastic foam sheet with a thin film of vacuum grease on both sides. You
hand-tighten the clamp until you see the seal form all round the lid, then check up on them periodically.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Finally, NEVER carry them by the clamp bow; always support them underneath.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Paul Callomon</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>
<i>Collection Manager, Malacology, Invertebrate Paleontology and General Invertebrates</i></span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Academy of Natural Sciences of Drexel University, Philadelphia<o:p></o:p></span></b></p>
<p class="MsoNormal" style="background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">1900 Benjamin Franklin Parkway, Philadelphia PA 19103-1195, USA<br>
<i><a href="mailto:callomon@ansp.org" target="_blank">callomon@ansp.org</a> Tel 215-405-5096 - Fax 215-299-1170</i></span><span lang="EN-US" style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a href="mailto:nhcoll-l-bounces@mailman.yale.edu">nhcoll-l-bounces@mailman.yale.edu</a> [<a href="mailto:nhcoll-l-bounces@mailman.yale.edu">mailto:nhcoll-l-bounces@mailman.yale.edu</a>]
<b>On Behalf Of </b>Nancy Glover McCartney<br>
<b>Sent:</b> Friday, March 20, 2015 2:55 PM<br>
<b>To:</b> <a href="mailto:nhcoll-l@mailman.yale.edu">nhcoll-l@mailman.yale.edu</a><br>
<b>Subject:</b> [Nhcoll-l] old glass containers<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black">I have several old glass containers housing fish, herps, inverts, etc. that are getting very low on fluid. I expect the containers are pretty brittle, as a gar with a giant lobster
broke with almost no provocation and spewed formalin all over: not a process I want to repeat. I don't have any idea what these specimens are stored in.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black">I have attached a few pix of fish and the screw down tops that appear to have parafilm or an ancient rubber around the lid; some of the smaller containers have what may be beeswax
holding in a stopper.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black">Should I attempt to open and replace fluid? If so, how? What precautions?
<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black">An earlier query 10 years or so ago said just to leave them alone, but maybe there is different advice now.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black">I'd appreciate some doable suggestion.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black">My thanks in advance, as always.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:black">Nancy Glover McCartney, PhD<br>
Curator of Zoology<br>
UA Collections Facility<br>
120 BIOMASS<br>
University of Arkansas<br>
2435 Hatch<br>
Fayetteville AR 72701<br>
<br>
Phone: 479-575-4370<br>
Fax: 479-575-7464<br>
<br>
<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__museum.uark.edu_index.php&d=AwMFAw&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=CLFZJ3fvGSmDp7xK1dNZfh6uGV_h-8NVlo3fXNoRNzI&m=x9k-TlzFJTAsCvPqLBttnPE62-CZDhXIe_QpULlzVAY&s=rMQz_Pq_fBnJQlAvHjK9usJ_CkBwU0Svrpt8DG40zRo&e=">http://museum.uark.edu/index.php</a><o:p></o:p></span></p>
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