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File:Helena Arsène Darmesteter - Portrait of Hertha Ayrton.jpg
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Fájl:Helena Arsène Darmesteter - Portrait of Hertha Ayrton.jpg
English
Hertha
Marks
Ayrton
German
Hertha
Marks
Ayrton
Fájl:Ayrton Hertha bw painting.jpg
Description
Ayrton
Hertha
bw painting.
jpg
Painting
of
Hertha
Ayrton
, the scientist and inventor, by Mme.
Darmesteter
Date 1909 Source Cassier's Magazine