Now I can see the photos in the thread it has answered my question, so sorry for asking the obvious!
The Hornsby portable I think is the same one advertised on Preston's web site
http://prestonservices.co.uk/item/ho...8nhp-portable/
No. 1531
looking at my photos and there's and comparing what can only be unique things such as defects round the edge of the smoke box door etc they are the same as far as I can tell