Vignette from a lithographic plate showing workers in a silkworm laboratory where silkworms were kept and fed with mulberry leaves while they produced their silk cocoons. Silk thread is produced from the unravelled cocoons of the silkworm caterpillar. Taken from 'The Silk-Worm' in 'Graphic Illustrations of Animals - Showing their utility to man in their services during life, and uses after death' (1845), illustrated by Benjamin Waterhouse Hawkins and R K Thomas and published by Thomas Varty. Printed by J Graf, C Graf, Day & Haghe.
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