The changed object: Vikan 56886 bucket
The correct adjustment: 1.35× the original shown size.

For Celestron 44121 microscope, Celestron specifies 24.8 cm: overall upright microscope height, without the separate kit accessories.
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For Polsinelli wine bag-in-box (3L), the published measurement is 22.6 cm: the erected three-litre cardboard dispenser's overall height; the tap projects only sideways.
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For Vikan 56886 bucket, Vikan specifies 25 cm: upright bucket body height, with its carrying handle folded down and no lid.
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For Nalgene 32 oz Wide Mouth bottle, Nalgene specifies 210 mm: nominal upright bottle height with its screw cap closed.
SourceIllustrations shown individually, not to a shared scale.