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Engineer James Watt died #onthisday in 1819. The SI unit of power is named after him https://t.co/jfETIKQ2ij
ROYAL HOBBY’S or The Hertfordshire Cock-Horse, anonymous, but George Cruikshank, 1819.
John Ruskin, founder of @TheRuskin School, was born #onthisday in 1819. This is his 1871 study of a Kingfisher