3 4 c m
40cm
actual image size: 32cm x 26cm
Description
Traditional 'rubber ducks' for bathtime use are actually made from toughened PVC (polyvinyl chloride, a thermoplastic), using blow-moulding techniques to form a hollow shape that floats on water. They are traditionally yellow, but this particular model is red.
Image Details
Image Ref.
10439246
© Science Museum / Science & Society Picture Library