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

  • H. M. Brock
Date:
1925
Reference:
15453i
Catalogue details

Licence: In copyright

Credit: 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. Source: Wellcome Collection.

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