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Sir John Herschel.
Sir John Herschel.
G. Gabrielli Del.t. et Sculp.t.
Eton: Williams & Son, 1875.
Stipple and engraving on india laid paper. 240 x 170mm (9½ x 6¾") very large margins.
Sir John Frederick William Herschel, 1st Bt (1792-1871), mathematician and astronomer, son of Sir William Herschel; in an oval. He followed his father in astronomical research, mapping the sky of the southern hemisphere; his many scientific achievements included contributions to early photography; he invented photographic use of sensitized paper, introduced ‘hypo' as a fixed agent, and coined the terms ‘photograph', 'negative', and ‘positive'.
Wellcome: 1378-1. NPG: D35722.
[Ref: 53513]   £160.00   (£192.00 incl.VAT)
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