4 Stethoscopes. A- small, funnel-shaped, lined with brass. B- obatined from Italy. C- obtained from Italy. D- bell shaped, probably 1850s to 1860s. E- probably Stoke's type.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: 4 Stethoscopes. A- small, funnel-shaped, lined with brass. B- obatined from Italy. C- obtained from Italy. D- bell shaped, probably 1850s to 1860s. E- probably Stoke's type. Wellcome Collection. Source: Wellcome Collection.