M0017193: Respirator designed by Rudolph Eisenmenger of Hungary, c.1904

Date:
February 1959
Reference:
WT/D/1/20/1/154/50

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: M0017193: Respirator designed by Rudolph Eisenmenger of Hungary, c.1904. Wellcome Collection. Source: Wellcome Collection.

no text alternative