Sewer gasesEagle book printing Department, 1879 - 157 стор. |
Загальні терміни та фрази
amount antiseptic aperture basin Board of Health breathed bricks Brooklyn carbolic acid Carburated hydrogen cause chamber chimney chloralum chlorine closet COMPOSITION OF SEWAGE Condy's Fluid constructed contamination cubic feet curves deodorizer diffusion dilution diphtheria discharge diseases disinfectants drain drain-pipe drainage draughts East river effect epidemic erysipelas EXPLANATION OF PLATE external air fact filth Flatbush avenue Fluid solution gallons germs grating ground water heated hour house-drains impure inches infection iodine manner material means Medical nature Newtown Creek nitrogen NOTE odor organic matter outlet oxide pass perforated pipe placed poison produce PROTECT OUR DWELLINGS putre putrefaction quantity removal Rotifer sanitary sash sewage emanations sewer gas sewer gases sewerage soil solution street sewer subsoil subsoil water substances sufficient Sulphurated supply surface temperature tide tilation tion towns trap typhoid fever valve vapor VARONA velocity ventilation Wallabout bay walls waste-pipes yellow fever zinc
Популярні уривки
Сторінка 81 - ... the evidence accumulates each year to show : 1st. That under certain conditions human excrementitious matter in certain diseases is almost certain poison, producing the parent-disease in a great number of cases of those exposed to it, and with a degree of virulence proportional to its concentration. 2d. That we must either acknowledge that these diseases, especially cholera and typhoid fever, may arise de novo\ under certain conditions of filth not yet wholly known, or else that the contagious...
Сторінка 19 - During the past year, Savannah has had a similar experience, and very largely at least from similar causes. An investigation t into the causes and conditions of yellow fever in the United States, with the help of the library of the Surgeon-General at Washington, and a personal experience of over two thousand cases, concludes, that nothing is so important in the prevention of yellow fever as proper watersupply and sewerage. The writer farther says that the disease "cannot be taken in a pure air from...
Сторінка 15 - In trying to analyze the death-statistics of filthy districts, we soon find that, with regard to many of the separate elements in the miscellaneous mortality, we cannot argue in exact scientific terms : partly because very large quantities are registered under names which have no definite nosological meaning, — eg, •
Сторінка 23 - ... can be represented in numbers. Of the incalculable amount of physical suffering and disablement which they occasion, and of the sorrows and anxieties, the often permanent darkening of life, the straitened means of subsistence, the very frequent destitution and pauperism, which attend or follow such suffering, deathstatistics, to which alone I can refer, testify only in sample...
Сторінка 19 - In the language of the report,* "the works of drainage and sewerage, so actively prosecuted at the present time, are destined to radically remove this infection, which experience has demonstrated to be one of the most fruitful causes of disease and death.
Сторінка 122 - Another plan, which has been found to work well in schools, has been proposed by Mr. H. Varley. A perforated zinc tube...
Сторінка 133 - ... solution it is liable to become stained. Air heated to from 260 degs. to 300 degs. Fahrenheit is undoubtedly the best disinfecting agent for clothing and bedding, as it does not in the slightest degree injure the articles, whilst it is as effective as the most powerful of the ordinary disinfectants. An oven cautiously heated may be employed, the articles being kept in the heated air for a couple of hours at least. The Corporation of Dublin have constructed a hot air disinfecting chamber at a...
Сторінка 16 - ... broad conclusion is reached, more detailed conclusions may at first sight scarcely seem wanted for practical purposes, yet there is advantage in establishing the details of each case as exactly as the circumstances will allow ; not only because it greatly concerns the progress of preventive medicine that all our attributions of cause and effect should be in the spirit of exact science...
Сторінка 16 - ... sometimes we may be only able to establish the broad fact that, within the area of Filth, the deaths, in total amount, are greatly more numerous than ought to be, and that the excess (or, in mixed cases, a certain share of the excess) can only be accounted for as the effect of the Filth.
Сторінка 20 - ... that many of the premises on which these things were observed were apparently clean and well kept, the owners not being aware that any defects existed until they were pointed out. In some instances only a close examination revealed them. An illustration of this may be seen in the case of family number 44. The house was well ordered, and the first impression was that everything was as it should be. But a careful search showed an overflowing cesspool under a bedroom window, not very noticeable,...