Gallery›Wellcome Collection›An old lady asking her doctor about 'Violet Ray', referring to ultra violet rays. Reproduction of a drawing after H.M. Brock, 1925.
An old lady asking her doctor about 'Violet Ray', referring to ultra violet rays. Reproduction of a drawing after H.M. Brock, 1925.
Wellcome Collection

An old lady asking her doctor about 'Violet Ray', referring to ultra violet rays. Reproduction of a drawing after H.M. Brock, 1925.

Henry Matthew Brock · 1925

CC0 — Public Domain
Wellcome Collection

Lettering: HM Brock.

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