Hope these help. They are from a book called Historical Arms Making Technology.
http://www.iforgeiron.com/gallery/image/37993-2014-01-16-095503/
http://www.iforgeiron.com/gallery/image/37991-2014-01-16-095518/
http://www.iforgeiron.com/gallery/image/37990-2014-01-16-095631/
http://www.iforgeiron.com/gallery/image/37992-2014-01-16-095542/