State Sanitation: A Review of the Work of the Massachusetts State Board of Health, Volume 2

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Harvard University Press, 1917 - Massachusetts
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Page 194 - A Microscopic Examination of the Water supplied to the Inhabitants of London and the Suburban Districts.
Page 59 - We think it is a settled principle, growing out of the nature of well-ordered civil society, that every holder of property, however absolute and unqualified may be his title, holds it under the implied liability that his use of it may be so regulated, that it shall not be injurious to the equal enjoyment of others having an equal right to the enjoyment of their property, nor injurious to the rights of the community.
Page 309 - ... any convict, lunatic, idiot, or any person unable to take care of himself or herself without becoming a public charge...
Page 191 - It is quite impossible to obtain effluents by chemical precipitation which will compare in organic purity with those obtained by intermittent filtration through sand. It is possible to remove from one-half to two-thirds of the organic matter of sewage by precipitation, with a proper amount of an iron or aluminum salt, and it seems probable that, in some cases at least, if the process is carried out with the same care as is required in the purification of sewage by intermittent filtration, a result...
Page 430 - Legislature of 1893, without acting on these recommendations, appointed a Joint Board, consisting of the Metropolitan Park Commission and the State Board of Health, with instructions "to investigate the sanitary conditions, and prepare plans for...
Page 294 - River has twice before been the subject of extended examinations by the State authorities, — first by the State Board of Health in 1875, and subsequently by the Massachusetts Drainage Commission in 1885. In addition to these examinations, a description of the Neponset River basin, with statistics relating to its pollution and analyses of its waters, may be found in the special report of the State Board of Health on the examination of water supplies, 1890, and in the twenty-second annual report...
Page 242 - A rough estimate of the open space can be made from the uniformity coefficient. Sharp-grained materials having uniformity coefficients below 2 have nearly 45 per cent open space as ordinarily packed; and sands having coefficients below 3, as they occur in the banks or artificially settled in water, will usually have 40 per cent open space. With more mixed materials the closeness of packing increases, until, with a uniformity coefficient of 6 to 8, only 30 per cent open space is obtained, and with...
Page 4 - Medicine," which, with Dr. Bowditch, we understand to be "a special function of State authority by which it is bound to take care of the public health, to investigate the causes of epidemic and of other diseases, in order that each citizen may not only have as long a life as Nature would give him. but likewise as healthy a life as possible.
Page 237 - HAND-PICKING, 11,870 GRAMS TAKEN FOR ANALYSIS. The weight of the smallest stones in a portion given in the fourth column is estimated in general as about half-way between the average weight of all the stones in that portion and the average weight of the stones in the next finer portion. The final results are shown by the figures in full-faced type in the last and third from the last columns. By...
Page 241 - This is conveniently shown by the "uniformity coefficient, " a term used to designate the ratio of the size of grain which has 60 per cent. of the sample finer than itself to the size which has 10 per cent. finer than itself.

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