"M" series glass plate negative register: M0000731-M0004950

Date:
May 1930-November 1936
Reference:
WT/D/1/20/1/1/2

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: "M" series glass plate negative register: M0000731-M0004950. Source: Wellcome Collection.

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