Dear All, I would like to thank you all for your very helpful replies. I will try to write a summery soon and send it to those of you who asked me to do it. Kind regards, Agnieszka Jarecka (Miss) Documentation Officer Royal Engineers Museum, Library and Archive Prince Arthur Road Brompton Barracks Chatham Kent ME4 4UG 01634 822221 [log in to unmask] www.remuseum.org.uk