Practical Domestic Hygiene

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Longmans, Green, 1897 - Hygiene - 312 pages
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Page 217 - drain" shall mean and include 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 228 - Discharge, broad irrigation means " the distribution of sewage over a large surface of ordinary agricultural ground, having in view a maximum growth of vegetation (consistently with due purification) for the amount of sewage supplied.
Page 116 - With the same idea, others have proposed double panes of glass, an open space being left at the bottom of the outer and at the top of the inner one.
Page 29 - Circulation. 1, right auricle; 2, left auricle; 3, right ventricle ; 4, left ventricle ; 5, vena cava superior ; 6, vena cava inferior; 7, pulmonary arteries; 8, lungs; 9, pulmonary veins; 10, aorta; 11, alimentary canal; 12, liver; 13, hepatic artery; 14, portal vein ; 15, hepatic vein.
Page 129 - A calorie is the amount of energy required to raise the temperature of one gram of water one degree Celsius (14.5 to 15.5 C).
Page 227 - 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.
Page 121 - Mines are often ventilated by means of a furnace at the foot of the upcast shaft, its supply of air being drawn down another shaft, and then made to pass through all the workings on its way to the upcast by an arrangement of doors and partitions.
Page 221 - The simplest method of ventilation is to carry up method of rp ventilation- a shaft from the crown of the sewer to the surface of the street above, where it is covered by an iron grid.
Page 132 - ... is capable of supporting vitality, or what combinations and what quantity of them experience and experiment teach us are useful in the food of man. There is abundant evidence to prove that no one group of alimentary substances is alone sufficient to sustain life for any length of time, but that a mixed diet is necessary. Such evidence is derived from instinctive proclivities, from considerations of the comparative anatomy of our digestive organs, from experience and experiment. That man cannot...

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