Wind your neck in mate, my laughing is just me taking the mick and quoting you from March last year when you said
I’m aware they were open long before the war, but during the war, as with many factories producing all sorts of stuff, production was diverted to the war effort. It’s well documented that Loxley fire clay was essential to steel production in the war.
One of the many things I read on line was this, and I assumed that someone who worked the mines for 50 years, including during the war, would know what he was talking about.
https://www.bbc.co.uk/history/ww2peopleswar/stories/40/a8651540.shtml
I have no idea what you're talking about.... a hollow refractory is a single brick made from china clay used to line blast furnaces. During WW2 95% of these bricks came from the Loxley valley