Quote:
Originally Posted by Michael Maurice
'Has anyone else seen these before?'
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Yes. They're Walsall gauge, and were used in the BBC extensively. We used them at transmitter sites for maintained bay and rack supplies - still do, in fact. Studios (someone will confirm, no doubt) used them for different applications.
We have a drawer-full of them at work. Our are non-fused. Just the sort of thing to put on your granny's kettle lead for an April Fool!