Hello, We've just been cleaning some very dirty books with goat hair brushes and, unsurprisingly, the brushes are getting a bit grubby. Could anyone tell me whether it is a good idea to clean the brushes and, if so, what is the best way to do it. Best wishes, Tony Tony Pilmer Librarian (Maternity Cover) Royal United Services Institute for Defence and Security Studies (RUSI) T: 020 7747 2604 | E: [log in to unmask] Winner 'International Affairs Think Tank of the Year' - Prospect magazine 2011, 2009 Winner 'Think Tank of the Year' - Prospect magazine 2008 This message has been scanned for malware by Websense. www.websense.com Contact the list owner for assistance at [log in to unmask] For information about joining, leaving and suspending mail (eg during a holiday) see the list website at https://www.jiscmail.ac.uk/cgi-bin/webadmin?A0=archives-nra