Search Results: Subject equal to 'Data visualization' - David Rumsey Historical Map Collection
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Folds into covers with label "Tonnages 1856" Robinson, no.13. Inscribed by Minard to Charles Didion. Charles Didion (1803-1882) was a French engineer and presumably made Minard's acquaintance at the School for Bridges and Roads, where Didion later became secretary of the general council.

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