Heart disease mortality—England & Wales—Alfred Haviland choropleth map 1875
£1,120
SKU: P-7-028445
'The Geographical Distribution of Heart Disease in England & Wales'
A pioneering national map of heart-disease mortality, plotting deaths registered during 1851–60 across all 623 registration districts of England and Wales, with an enlarged London inset. Haviland turned official statistics into a six-class choropleth: arterial red marked mortality below average, while venous blue represented mortality above average. The heart-disease study first appeared in 1871; incorporated into the expanded 1875 atlas, this nearly metre-wide sheet belongs among the earliest detailed national maps devoted to a non-epidemic cause of death. Haviland interpreted the concentration of mortality in low-lying, poorly ventilated valleys as evidence that elevation, sunshine and prevailing winds influenced heart disease. The geographical comparison was innovative, although the causal conclusion did not adequately allow for confounding social and medical factors. The complete work survives at King’s College London and in the Royal Collection. This map is scarce in commerce: no separately catalogued market example or auction record has been traced.
Size 97 x 75 cm | 38.0 x 29.5 inches
Date Published: 1875
Type: Large engraved and coloured folding medical-statistical choropleth map
Author: Haviland, Alfred
Publication: Haviland’s Geographical Distribution of Disease
Condition: Good |
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