"M" series glass plate negative register: M0004951-M0007650

Date:
October 1936-January 1941
Reference:
WT/D/1/20/1/1/3

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: "M" series glass plate negative register: M0004951-M0007650. Source: Wellcome Collection.

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