9.
Portrait
Downey, Daniel, 1831-1881 (artist)
Downey, William, 1829-1915 (artist)
Thomson, William, 1st Baron Kelvin of Largs, 1824-1907 (depicted)
portrait
1892 (before) - Thomson was knighted November 10 1866 and raised to the peerage January 1 1892.
Waller Ms alb-54:081 Waller - Album Collection
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