M0016160: Mechanical Leech, invented by Kidston & Co. 1850

Date:
June 1957
Reference:
WT/D/1/20/1/145/4

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: M0016160: Mechanical Leech, invented by Kidston & Co. 1850. Source: Wellcome Collection.