
4 0 c m
30cm
actual image size: 22cm x 32cm
Description
These examples are among the oldest to survive from the West or Near East. This cucurbit and collecting vesel were used for sublimation, the proces whereby a solid substance is changed directly into a vapour when heated. The apparatus is displayed here dismantled and shown with ruler to indicate the size.
Image Details
Image Ref.
10221237
© Science Museum / Science & Society Picture Library