Quote Originally Posted by Abasmajor View Post
The June 2018 issue of Air Gunner magazine features an
excellent article on the BSA Gun Layer Trainer in John Atkins's collectors column. This piece of kit has always held a fascination for me and the article includes a picture of the Trainer in use which is something I have never seen before. Highly recommended.
Brian
I just read this, Brian. It's outstanding and probably the last word on these oddities. Not that I understood all of it!