Usually you will see the marks from where the old blocks were for the Brit extinguisher. Even more often you will still have the old blocks there along with the new blocks.
The hose on the Ansul theoretically clipped onto the base of the extinguisher, but that was dicey at best.
I suspect the location of that extra bracket would preclude the pick axe head ("helve" or "mattock" is it in Brit-speak ??)
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