Hygiene and public health / by Louis Parkes and Henry Kenwood.

  • Parkes, Louis Coltman, 1857-1942.
Date:
1901
Catalogue details

Licence: In copyright

Credit: Hygiene and public health / by Louis Parkes and Henry Kenwood. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

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    spotted out—furnish valuable graphic expressions of any- grouping of such deaths or sickness, and are much employed by medical officers of health. They should, however, usually be employed to express the occurrences of short periods only. Spot maps, covering a period of several months or a year, are not often of much value for the purpose which they are designed to subserve.