Inscription: in ink, verso, fix by N Henneman and as he suposes [sic] it is fix [underlined] to all eternity if kept in a dry place _ ____ Novbr 18-1849; in pencil, verso, Sir David Brewster 4
Provenance: Victoria & Albert Museum, 2017 National Science and Media Museum, 2003 to 2017 Royal Photographic Society, number 025290