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<p class="MsoNormal">Dear all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We have the complete skeleton of a Hippo which quite suddenly has started to appear bleached, with new cracks forming on the surface. It has been stored in the same room for many years, however we recently moved it from a cupboard into
the open air (the cupboard was demolished with aims to build a better one). No natural light gets into the store room and the environmental conditions, though not perfect, are pretty consistent. The bleaching disappears when rubbed with a damp brush (as seen
in lower left corner of first picture) but it reappears once dry. The pattern is very random with bleaching occurring on all sides. No other specimens in the space have been effected. I have a suspicion that chemicals were used in its preparation, leaving
residues that are now reacting to something, but what? Any suggestions on what could be causing this and how to treat it would be greatly appreciated!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB"><img width="1193" height="300" id="Picture_x0020_2" src="cid:image002.jpg@01D03666.7E4ACDA0"></span>
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">With many thanks,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-GB">Bethany Palumbo<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-GB">Conservator, Life Collections<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-GB">Oxford University Museum of Natural History<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-GB">Tel: 01865 272996<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-GB"><a href="mailto:bethany.palumbo@oum.ox.ac.uk">bethany.palumbo@oum.ox.ac.uk</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-GB"><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__onceinawhale.com_&d=AwMFAg&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=CLFZJ3fvGSmDp7xK1dNZfh6uGV_h-8NVlo3fXNoRNzI&m=UGCx-iYFc0ztjdFCW1rQeTiN215Ice8Plh8dzJXCEFQ&s=u-Uxz28HnSaWyMs_uM-YBWsa6GR_9uq6f3M2n0cG9N4&e=">http://onceinawhale.com/</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#00007F;mso-fareast-language:EN-GB">The Museum of Natural History is now open daily 10am-5pm, following the completion of the roof restoration work.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#00007F;mso-fareast-language:EN-GB">Check our website at www.oum.ox.ac.uk for a guide to what’s on, read our blog at morethanadodo.com, and follow us on Twitter @morethanadodo </span><span style="font-size:10.0pt;color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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