Talk to me about the Queen's storage unit (9)

I believe the answer is:

gasometer

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

'storage unit' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'talk to me about the queen's' is the wordplay.
'talk' becomes 'gas' (gas can mean to chat).
'about' indicates anagramming the letters.
'the queen' becomes 'ER' (Elizabeth Regina).
'to'+'me'='tome'
'tome' anagrammed gives 'omet'.
'gas'+'omet'+'er'='GASOMETER'

Can you help me to learn more?

(Other definitions for gasometer that I've seen before include "Large fuel tank" , "source of fuel" , "Game store (anag) - fuel store" , "could be seen by the Oval" , "Fuel storage tank" .)

I've seen this clue in The Independent.

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