That was an interesting article. I wonder what happened to the Milbro and Diana tooling in Scotland more recently.
I vaguely remember reading that the machines were dumped in the Firth of Forth! Although I don't remember if it was supposition or based on anything factual. You'd think they'd be worth something as scrap?
Vintage Airguns Gallery
..Above link posted with permission from Gareth W-B In British slang an anorak is a person who has a very strong interest in niche subjects.