[Tom1UK]

Hi Boomerang

As with everything manufactured, there was a W/Nr. (c/n) system applied

Check-out all surviving airframes and this will give you an insight into the numbering system involved

I have no W/Nrs for the V1 or V2 as I do not note these.

There is something on the PRESERVED AXIS AIRCRAFT website and if you use GOOGLE I am sure that you will find sites and references to books that have been printed over the last few years

I do have one book by Monogram which (if my memory serves me well) gives some W/Nrs (if not all) But I have moved address recently and this is still packed away.

Send me a PM through the system and I will give my email addressand when I come accross the book will send the relevant details

Best of luck

Regards

Tom Willis