Drinking-water and ice supplies and their relations to health and disease / by T. Mitchell Prudden.

  • Prudden, T. Mitchell (Theophil Mitchell), 1849-1924.
Date:
1891
Catalogue details

Licence: Public Domain Mark

Credit: Drinking-water and ice supplies and their relations to health and disease / by T. Mitchell Prudden. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    gallons per head. But here an enormous amount is used in manufacturing and for motive power, and an enormous amount is most wickedly allowed to run to waste. When we try to group the varied sources of water supply for domestic and general use, we find that they may be conveniently arranged as follows: First, rain-water, collected in cis- terns ; second, surface waters, such as streams, lakes, and ponds ; third, shallow wells of the ordinary form and the common springs of superficial origin; and finally, fourth, water which comes from a considerable depth in the earth, as from very deep wells, so-called artesian wells, and deep springs. As to the qualities and peculiarities of water from these varied sources, those we will consider by and by. The water which falls in rain may, when it comes down upon rocky surfaces, either sink in part into cracks and fissures and so some- times goes down to great depths in the earth, or it may run directly off into streams and ponds and lakes, or stay in puddles until it evaporates. Rain-water and such surface water as that