Weekly return of births and deaths (infectious diseases, weather) in London (and other great towns).

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Page iii - ... frost action — freezing and thawing of moisture in materials and the resultant effects on these materials and on structures of which they are a part or with which they are in contact.
Page 86 - When made in this way, Wassiliew's factor,, which consists of five decimals, may be reduced to the fraction .01, and i'f ten cc of urine be taken for the test, the percentage of albumin is obtained directly by noting the number of cc of sulphosalicylic acid required to produce the end reaction, and then moving the decimal point one place to the left. The end reaction is by no means an easy one to determine, especially if the quantity of the indicator, two gtts., recommended by Wassiliew, is employed....
Page xxxvii - December one thousand eight hundred and fifty-five, every company shall effectually filter all water supplied by them within the metropolis for domestic use, before the same shall pass into the pipes for distribution, excepting any water which may be pumped from wells into a covered reservoir or aqueduct, without exposure to the atmosphere, and which shall not be afterwards mixed with unfiltered water, (1) 5.
Page xxxv - ... down the stream, escape decomposition, and produce disease in those persons who drink the water, as the organic matter of sewage undergoes decomposition very slowly when it is present in running water. In the case of shallow well water...
Page iii - The discovery of the laws of public health, the determination of the conditions of cleanliness, manners, water supply, food, exercise, isolation, medicine, most favourable to life in one city, in one country, is a boon to every city, to every country, for all can profit by the experience.
Page xxxv - ... filtration to which such water has been subjected in passing downwards through so great a thickness of soil or rock, and the rapid oxidation of the organic matters contained in water when the latter percolates through a porous and aerated soil, afford a considerable guarantee that all noxious constituents have been removed.
Page xxxv - ... met with in the water of deep wells, or of deep-seated springs. In the case of river water there is great probability that the morbific matter sometimes present in animal excreta will be carried rapidly down the stream, escape decomposition, and produce disease in those •persons who drink the water ; as the organic matter of sewage undergoes decomposition very slowly when it is present in running water.
Page x - ... huge embankment, to Barking Creek, on the Thames, 14 miles below London Bridge. With certain differences, the sewage of the south side of the Thames is amenable to the same kind of treatment. By some returns, furnished in June, 1870, by the engineer of the Metropolitan Board of Works, it appears that the average daily quantity of sewage pumped into the river Thames at Crossness was 170,934 cubic metres, and at Barking 152,808 cubic metres — equivalent to about as many tons by weight.
Page 426 - The numbers in the analytical table can be converted into grains per imperial gallon by multiplying them by 7, and then moving the decimal point one place to the left. The same operation transforms the hardness in the table into degrees of hardness on Clark's scale.
Page 247 - May 13 May 20 May 27 June 3 June 10 June 17 June 24 July 1 July 8 July 15 July 22 July 29 Aug.

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