Hi Nancy, Do you know approximately how old the button is? Casein, a milk protein, was used to make buttons in the early 20th century. I am guessing that casein might be vulnerable to dermestid attack as well as horn. Tania
Tania Collas Head of Conservation Natural History Museum of Los Angeles County tcol...@nhm.org On Fri, Jan 21, 2022 at 8:48 AM Jenner, Nancy@Parks < nancy.jen...@parks.ca.gov> wrote: > Hello-- we're cleaning and processing some collections that have already > been through a freeze cycle. One item (a fabric bag with a button > closure) has buttons that are seriously damaged, and residual frass. I've > tentatively identified this as a horn button, and my guess is that this is > damage from dermestid larvae. Wondering if anyone might be able to confirm > that, or suggest another culprit? > > (note-- the fabric is not damaged) > > Thanks very much! > > Nancy > > > Nancy Jenner, Curator > California State Parks > Sutter’s Fort State Historic Park & State Indian Museum > > email: nancy.jen...@parks.ca.gov > <https://mail.ces.ca.gov/owa/redir.aspx?C=jJluFg7_mEi3of46FM5M6OmwzYHxpNEICYcwc450-lvcaP93f2ErmvC4eB3LyAF_QBOALB_BK3k.&URL=mailto%3aNancy.Jenner%40parks.ca.gov> > > > > > -- > You received this message because you are subscribed to the Google Groups > "MuseumPests" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to pestlist+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/pestlist/BY5PR09MB5425D61EF31734AB9614BE22B05B9%40BY5PR09MB5425.namprd09.prod.outlook.com > <https://groups.google.com/d/msgid/pestlist/BY5PR09MB5425D61EF31734AB9614BE22B05B9%40BY5PR09MB5425.namprd09.prod.outlook.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "MuseumPests" group. To unsubscribe from this group and stop receiving emails from it, send an email to pestlist+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/pestlist/CALGsaN0rLSMpbMO7dMt6cym4JTmr8F%3DZV3E0-tpwsts-FMN%3DBw%40mail.gmail.com.
