Posted this up in General, should have put it here. BBC has an article on the SAK's 125th anniversary, giving the history of its development. Also comments on a show of all the different prototypes developed over the years, and has a pic of the biggest SAK ever, with 314 blades.
http://news.bbc.co.uk/2/hi/europe/8172917.stm
http://news.bbc.co.uk/2/hi/europe/8172917.stm