Modifiche

Riferimenti esterni: [http://www.pengrauncher.co.uk/] [http://www.dreampens.co.uk/Histories.html]

Riferimenti esterni: [http://wesonline.org.uk/burnham/Burnhamography_Starts.html], [https://web.archive.org/web/20130518035006/http://pengrauncher.co.uk/], [http://www.fountainpennetwork.com/forum/topic/19495-burnham-pens/] [http://www.dreampens.co.uk/Histories.html]