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DescriptionSir John Herschel with Cap, by Julia Margaret Cameron.jpg
"Sir John Herschel with Cap". Subject is John Herschel, English mathematician and scientist. Albumen print, 340 x 264mm (13 3/8 x 10 3/8"). National Portrait Gallery: NPG P213
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{{Information |Description={{PNG with JPEG version|Sir_John_Herschel_with_Cap,_by_Julia_Margaret_Cameron.png}} "Sir John Herschel with Cap". Subject is John Herschel, English mathematician and scientist. Albumen print, 340 x 264mm (13 3/8 x 10 3/8"). {{So
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