Reports made to the directors of the London (Watford) Spring Water Company, on the results of microscopical examinations of the organic matters and solid contents of waters supplied from the Thames and other sources / by Edwin Lankester and Peter Redfern ; together with a chemical report on the quality of various specimens of water from chalk springs near Watford, by Thomas Clark and John Smith.

  • London (Watford) Spring-Water Company
Date:
1852
Catalogue details

Licence: Public Domain Mark

Credit: Reports made to the directors of the London (Watford) Spring Water Company, on the results of microscopical examinations of the organic matters and solid contents of waters supplied from the Thames and other sources / by Edwin Lankester and Peter Redfern ; together with a chemical report on the quality of various specimens of water from chalk springs near Watford, by Thomas Clark and John Smith. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    and is in fact spring water of admirable quality, characterized,—• 1st, By being at the agreeable temperature, at all seasons of the year, of 52° Fahrenheit; or 18° colder in the summer, and 18° warmer in the winter, than river water. 2nd, By being utterly free from all organic, or putrescible animal, or vegetable matter. 3rd, Byr: being always perfectly/bright and fresh, and not affectedj (like river water,), in this respect, by the heaviest rain, or the longest drought, rk r > =*v When firstv pumped .fromujthe well, the water, is about 17^° of hardness, or contains in solution about 17|- grains of chalk per gallon. .oiiBy 'a simplerf and inexpensive process, which does nothing but withdraw IG of these grains of chalk, without leaving, anything else in the water, r it becomes as soft as ordinary rain water, when ;Collected from the roof of a house, without losing any of its,.brightness or fr'eshnessi- .o m ,-;oih The temperature and purity of the water, after being raised from the Chalk Springs, will]be maintained by the London (Watford),iiSpring Water Company, by pumping it through closed pipes, buried in the ground, into distributing reservoirs, eoyered in- a{ isuitable,; man-