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Concert involving English late queen and table that shows radioactivity (6,7)

Ross

I believe the answer is:

geiger counter

I'm a little stuck... Click here to teach me more about this clue!

'table that shows radioactivity' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps there's an association between them I don't understand?

'concert involving english late queen and' is the wordplay.
I cannot quite understand how this works, but
'english' could be 'e' (abbreviation) and 'e' is found in the answer.
'concert' could be 'gig' (I've seen this in another clue) and 'gig' is present in the leftover letters.
'queen' could be 'er' (short for Elizabeth Regina ie Queen Elizabeth) and 'er' is found in the answer.
'and' could be 'n' (common abbreviation for 'and') and 'n' is found within the answer.
The remaining letters 'couter' is a valid word which might be clued in a way I don't understand.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for geiger counter that I've seen before include "Particle detector" , "Instrument for measuring radioactivity" , "Radiation measurer" , "Device for measuring radiation" .)

I've seen this clue in The Daily Express.
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