Advanced Hygiene for the Advanced Examination of the Board of EducationW.B. Clive, University Tutorial Press, Ld., 1902 - 300 pages |
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Page 3
... chief trades in which the workers are exposed to the inhalation of inorganic dust may be classified according to the kind of particles they evolve . 1. Metallic irritating particles . This kind of dust is given off in the dry grinding ...
... chief trades in which the workers are exposed to the inhalation of inorganic dust may be classified according to the kind of particles they evolve . 1. Metallic irritating particles . This kind of dust is given off in the dry grinding ...
Page 4
... chief sufferer from this kind of dust appears to be the Cornish tin miner . The particles of stone dust which he inhales are sharp and angular , and moreover he works in a heated and vitiated atmosphere . The mortality among coal miners ...
... chief sufferer from this kind of dust appears to be the Cornish tin miner . The particles of stone dust which he inhales are sharp and angular , and moreover he works in a heated and vitiated atmosphere . The mortality among coal miners ...
Page 6
... chief cause of its exces- sively poisonous properties is its affinity for the haemo- globin of the red corpuscles , with which it quickly combines and forms a peculiar cherry - coloured compound , so that the red corpuscles can no ...
... chief cause of its exces- sively poisonous properties is its affinity for the haemo- globin of the red corpuscles , with which it quickly combines and forms a peculiar cherry - coloured compound , so that the red corpuscles can no ...
Page 8
... chief causes of the summer diarrhoea which is so common in the badly drained districts of large towns is the contamination of the air by the products of the decomposition of sewage , which either putrifies in the foul sewers , or ...
... chief causes of the summer diarrhoea which is so common in the badly drained districts of large towns is the contamination of the air by the products of the decomposition of sewage , which either putrifies in the foul sewers , or ...
Page 34
... - NATURAL VENTILATION . This takes place under the action of natural forces . The chief causes are as follows : : - 1. Diffusion of gases . 2. Winds . 3. Difference in weight of masses of 34 RESPIRATION AND VENTILATION .
... - NATURAL VENTILATION . This takes place under the action of natural forces . The chief causes are as follows : : - 1. Diffusion of gases . 2. Winds . 3. Difference in weight of masses of 34 RESPIRATION AND VENTILATION .
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Advanced Hygiene for the Advanced Examination of the Board of Education Alfred Edward Ikin No preview available - 2016 |
Common terms and phrases
acid action adulteration albumin alcohol allowed amount basin beer body boiling bread bulb butter carbohydrates carbolic acid carbon dioxide cause cent cistern closet clothing CO₂ coal cold colour contain cooled cubic damp-proof course dew point diet digestion dilute diphtheria disadvantages disease dish disinfection dissolved distilled drain evaporation excreta feet Fehling's solution fermentation filter flour flush fresh air gases germs grains heat hygrometer impurities inches increase infection layer liable limewater liquid material meat method milk nitrogen obtained ordinary organic matter ounces oxalic acid oxygen particles passes pipes poisonous pressure prevent produced proteids rainfall removed salts saturated scarlet fever sewage sewer small quantity small-pox soil soil-pipe solution specific gravity starch steam stoves substances sugar sulphur supply surface tannin temperature thermometer trap tube typhoid typhoid fever usually vaccination vapour vegetable ventilation vessel warm water-closets weight yeast
Popular passages
Page 176 - means any drain of and used for the drainage of one building only, or premises within the same curtilage, and made merely for the purpose of communicating therefrom with a cesspool or other like receptacle for drainage, or with a sewer into which the drainage of two or more buildings or premises occupied by different persons is conveyed...
Page 106 - ... us, and this is likely to be greatly accelerated by the alarming increase of drinking among women, who have hitherto been little addicted to this vice. Since the mothers of the coming generation are thus involved the importance and danger of this increase cannot be exaggerated. Seeing, then, that the common use of alcoholic beverages is always and everywhere followed, sooner or later, by moral, physical, and social results of a most serious and threatening character, and that it is the cause,...
Page 106 - Thus deterioration of the race threatens us, and this is likely to be greatly accelerated by the alarming increase of drinking among women, who have hitherto been little addicted to this vice. Since the mothers of the coming generation are thus involved, the importance and danger of this increase cannot be exaggerated.
Page 105 - ... of the cells and tissues of the body, impairing self-control by producing progressive paralysis of the judgment and of the will, and having other markedly injurious effects. Hence alcohol must be regarded as a poison, and ought not to be classed among foods. 2. Observation establishes the...
Page 106 - ... infectious disease), and shortening the duration of life. 3. Total abstainers, other conditions being similar, can perform more work, possess greater powers of endurance, have on the average less sickness, and recover more quickly than nonabstainers, especially from infectious diseases, while they altogether escape diseases specially caused by alcohol. 4. All the bodily functions of a man. as of every other animal, are best performed in the absence of alcohol, and any supposed experience to the...
Page 221 - is probably in all respects the most advantageous crop to be grown under sewage, as it absorbs the largest volume of sewage ; occupies the soil so as to choke down weeds ; comes early into the market in spring; continues through the summer and autumn, bearing from five to as many as seven cuttings in the year, and producing from thirty to fifty tons of wholesome grass upon each acre.
Page 259 - All reasonable care should be taken not to allow infective disease to spread by the unnecessary association of sick with healthy persons. This care is requisite, not only with, regard to the...
Page 9 - When the air at any given temperature contains as much water vapour as it can hold it is said to be saturated, and while it is capable of holding more it is unsaturated.
Page 106 - ... 4. All the bodily functions of a man, as of every other animal, are best performed in the absence of alcohol, and any supposed experience to the contrary is founded on delusion, a result of the action of alcohol on the nerve centers. 5. Further, alcohol tends to produce in the offspring of drinkers an unstable nervous system, lowering them mentally, morally and physically. Thus deterioration...
Page 220 - the concentration of sewage, at short intervals, on an area of specially chosen porous ground, as small as will absorb and cleanse it; not excluding vegetation, but making the produce of secondary importance. The intermittency of application is a sine gud non even in suitably constituted soils, wherever complete success is aimed at.