<a href="https://en.wikipedia.org/wiki/oil_on_canvas" class="extiw" title="en:oil on canvas">oil on canvas</a><div style="display: none;">medium QS:P186,Q296955;P186,Q12321255,P518,Q861259</div>; height: 76.5 cm (30.1 in); width: 56.3 cm (22.1 in)<div style="display: none;">dimensions QS:P2048,76.5U174728</div><div style="display: none;">dimensions QS:P2049,56.3U174728</div>; The Royal Society - London
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Clara Ewald</div>
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