Photograph of A Nocturne [John Ruskin with easel and paint brush, painting a scene on the River Isis (Thames), nr. Iffley, in the moonlight; barges in background; allusion to feud with James Abbott McNeill Whistler over the review of his painting, 'Nocturne in Black and Gold'] [John Johnson 537] by Thomas Shrimpton & Son publ., [c.1878]