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Title: Portrait: Ralph Walker (fl. late 18th century), engineer and [Go to resource]
Description: Portrait: Ralph Walker (fl. late 18th century), engineer and bridge designer. Stipple engraving by Ridley after Eckstein, 1803. 6.25 x 4.5 inches License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: print
portraitTemporal: 1803 Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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