Portrait of English inventor, Sir Francis Ronalds (1788-1873), inventor of the electric telegraph in 1816. He fitted his garden in Hammersmith with an electric telegraph but was refused when he offered his invention to the Admiralty. He published a detailed pamphlet on the invention in 1823, and was knighted in 1870.

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TOP23728868

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達志影像

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RM

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須由TPG 完整授權

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