ESC = English Steel Co and the steel batch number of the cylinder. No2 Mk1*. Just a good old clunker. Lots written about them on this very forum. As soon as someone reminds me of the BA size number I'll turn you up the screw you need
ESC = English Steel Co and the steel batch number of the cylinder. No2 Mk1*. Just a good old clunker. Lots written about them on this very forum. As soon as someone reminds me of the BA size number I'll turn you up the screw you need