3 0 c m
40cm
actual image size: 32cm x 22cm
Description
A hand-blown pale green glas retort with a long neck and projecting stopper hole. Retorts were used to distill liquid. Distillation is achieved by purifying a liquid by heating it so that it vaporises, then cooling and condensing the vapour and collecting the resulting liquid.
Image Details
Image Ref.
10290397
© Science Museum / Science & Society Picture Library