DAY 42

Comment

The pointer on dial A should be about three tenths of the way from the 6 to the 7, which it seems to be.
The pointer on dial B should be about eight tenths of the way from the 2 to the 3, which it seems to be.
The pointer on dial C ... .

Answer

Dial C has the loose pointer.

Readers' methods

ELW, Swansea:
On dial C the arrow has slipped because it is nearer to 7 instead of to 8.

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