Arfa Daily wrote:
I have a vague suspicion that this tool was actually supplied
by Mullard, but I could be wrong there. I have a clear memory
of it being a baby blue colour. Happy days ...

*Rummages around in the "box-o-stuff" Ahhh, here we go.

Belling & Lee Ltd.
L1424
Made in England

Yuppers, baby blue, soft rubber with hard black 7 and
9 pin tube base inserts.

Jeff