The contents of this web site, including the numbering system and illustrations,
are fully protected by copyright.
No part of this web site may be copied or
stored for any reason other than private personal use without the prior permission
of The Perfin Society. Requests for such permission should be made by
(perfinsoc at gmail dot com)
However as a society we are keen to promote the exchange of information and
by contacting us first you will be making sure you have the latest information
since the contents of this website will inevitably lag behind any latest information.