As shown on the back of the P7 tender.
No tenders anywhere near this size ever existed in the UK.
Typically, the largest tenders in the UK held 8 - 10 tons of coal, and upto 6000 (imperial) gallons.

Photographed by Adrian Brodie, October 16, 2010.
Added to the photo archive by Adrian Brodie, November 11, 2010.
Railroad: B&O Railroad Museum.

Adrian Brodie's awards:

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