Hi! Here are some articles that may be of interest. The first two links deal specifically with drums and confirm the advice that Gretchen and others have put forward. Most of these links are also listed on the MuseumPests page on freezing, which I didn't realize until now - whoever worked on that section, great job!
Student project freezing and cleaning drums: https://blogs.cardiff.ac.uk/conservation/bugging-out-ipm/ "Mechanical Behavior of Animal Hides at Low Temperatures" https://museumpests.net/wp-content/uploads/2014/03/MechanicalBehaviorofAnimalHidesatLowTEmperatures.pdf "Does Low-Temperature Pest Management Cause Damage? Literature Review and Observational Study of Ethnographic Artifacts" https://cool.culturalheritage.org/jaic/articles/jaic42-02-002.html "Summary of Potential Artifact Damage from Low Temperature Pest Control" https://ellencarrlee.wordpress.com/tag/freezing/ Best, Fran Fran Ritchie, Conservator (Objects) Harpers Ferry Center fran_ritc...@nps.gov American Institute for Conservation Professional Associate (peer-reviewed) From: pestlist@googlegroups.com <pestlist@googlegroups.com> On Behalf Of Voron, Joel Sent: Monday, June 27, 2022 6:26 PM To: pestlist@googlegroups.com Subject: [EXTERNAL] Re: * [PestList] Re: Low Temp Treatments for Drums This email has been received from outside of DOI - Use caution before clicking on links, opening attachments, or responding. This one did not seem particularly tight or brittle. I'm with you on the one cycle. Used thick 8 mil bag. From what most are saying I am hoping there are no issues. Since this is a reproduction figure it's a good test subject for our set up. It's great to have everyone's input! JTV Get Outlook for iOS<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Faka.ms%2Fo0ukef&data=05%7C01%7Cfran_ritchie%40nps.gov%7C9bfc30a3cd894d37b82208da588c586e%7C0693b5ba4b184d7b9341f32f400a5494%7C0%7C0%7C637919657085743544%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=rHEA1L2FEmwh6yQTBvPYoKRK7Goer7qhUZ4ysXM8Ma0%3D&reserved=0> ________________________________ From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> on behalf of Anderson, Gretchen <anders...@carnegiemnh.org<mailto:anders...@carnegiemnh.org>> Sent: Monday, June 27, 2022 5:27:39 PM To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> Subject: RE: * [PestList] Re: Low Temp Treatments for Drums [CAUTION: This message originated from outside the Foundation. Do not click links, open attachments or take action unless you know the contents are safe] Hi Joel and Ayesha You have to be careful with drums - the hide can split given the differences between materials - the hide head and whatever material the body is made of. You should be ok if you do the standard double wrapping of plastic to reduce fluctuating RH. You can also add some sorbent material (tissue, cotton etc?) to help with this. Also - never put it through a double freeze - it is better to put it through a single freeze for longer. (2 freezes are not recommended for most if any materials). Good luck! Gretchen Gretchen Anderson Conservator Carnegie Museum of Natural History (Preferred pronouns: she/her) anders...@carnegiemnh.org<mailto:anders...@carnegiemnh.org> Mobile: 412-420-9083 From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> On Behalf Of Ayesha Fuentes Sent: Monday, June 27, 2022 9:00 AM To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> Subject: * [PestList] Re: Low Temp Treatments for Drums Hello, I'm helping with a storage move to a new facility and we have been freezing many drums and other skins and hides under tension (-40 C, 72/24). So far, I haven't seen any harm done to the objects. I haven't been repeating any freezing cycles though. Will be curious to see what others say as I was recently asking conservation colleagues about this and it was similarly inconclusive. Best, a. -- Dr Ayesha Fuentes Isaac Newton Trust Research Associate in Conservation Museum of Archaeology and Anthropology University of Cambridge From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> on behalf of Voron, Joel <jvo...@cwf.org<mailto:jvo...@cwf.org>> Date: Monday, 27 June 2022 at 13:49 To: Museumpests <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> Subject: [PestList] Low Temp Treatments for Drums Repro Drum to Be Played All we are moving a drum from one building to another and are on the fence about 72/24 cold treatment at -32. I looked in The Care of Historic Musical Instruments and there is no real guidance either way. Have any of you done a cold treatment on drums before and what was your takeaway/outcome? Joel Voron Colonial Williamsburg Foundation Conservation Dept. 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