Hi there WolfOfBadenoch....Alex , I made these guns such a long time ago...I cannot keep everything , and so , because I was no longer going to make any more , mainly due to lack of demand at that time , all my engineering drawings of these things ,such as they were , were unfortunately destroyed......Therefore I am unable to provide any such"engineering" drawings to you......Whilest on the subject ,....Dave 83..is looking for a new or "Legible" set of the 3 drawings from Hay Hollings.........He is trying very hard to get somewhere on this and the DrI , and could do with a break , ....Can You Help Him Out Here , as you have a recent set ???
.....Hope the photos I posted for you are of some help...Regards..John.