I think you are right about the bombing Jan. It looks like just a few more 3SW were supplied from temporary factory, Cape Warwick in 1941 before production of the 3HW started. The 143 added to that C7162 contract were actually the pre war 3H. Ron

email (option): ronpier@talk21.com

Indeed a wonderfull picture. Again.
And a funny story about Bert Hopwood. I understand that he developed the Norton twin engine.
Long ago I was offered a complete and running model 7, wich I stupidly didnt buy (Things like that hunt you for the rest off your life)

email (option): wd.register@gmail.com

I guess they added the "W" anyway. Ron

email (option): ronpier@talk21.com