A handbook of hygiene and sanitary science / by George Wilson.

  • George Wilson
Date:
1892
Catalogue details

Licence: Public Domain Mark

Credit: A handbook of hygiene and sanitary science / by George Wilson. Source: Wellcome Collection.

    778/834 page 732
    the precautions you would take in effecting this. (See pp. 140, 146.) 3. What is meant by ground-water ? What are its relations to the soil and to water-courses ? Explain the general character of its movements. (See pp. 369, 370.) 4. Describe in detail one good process for determining the pro- portion of carbon dioxide in the atmosphere of a room, and explain the process adopted. (See pp. 165-167.) 5. State exactly how you would proceed to examine a turbid water-supply. Briefly describe the substances which may thus be discovered which may affect your judgment as to the fitness of the water for drinking purposes. (See pp. 240, 241.) 6. Explain the methods and discuss the comparative advantages and disadvantages of ventilation (a) by propulsion, (6) by extraction. (See pp. 145-150.) 7. Give diagrams and full descriptions of a bad and of a good form of water-closet respectively, and state the grounds on which you approve of the one and object to the other. (See pp. 296- 298.) 8. Describe the methods usually adopted for keeping walls dry in houses built upon a damp soil, and their relative degrees of efficiency. (See pp. 312, 381-384.) 9. What are the respective amounts of albuminoids, fats, carbo- hydrates, salts, and water required by a man weighing 170 lbs. and doing ordinary mechanical work ? Give a dietary furnishing these amounts. (See pp. 29-32, and ante p. 724.) 10. What is meant by albuminoid ammonia ? How is it esti- mated in a sample of water ? What does its presence in various quantities indicate? (See, in order, pp. 261, 258, and 262.) 11. What should be the diameter, and what the fall of a house- drain ? If a sufficient fall cannot be got, what should be done ? What is the relation between fall and velocity of flow in pipes ? (See, in order, pp. 312, 315, and ante p. 717.) 12. What is the average composition of town sewage 1 How has its theoretical value as a manure been estimated 1 How does lime act as a precipitant of sewage ? (See pp. 342, 346.) 13. What are the conditions of soil which tend to the production of infantile summer diarrhoea ? Give your views as to the methods by which these conditions severally act. (See p. 470.) 14. Give an account of the natural history of three of the parasites which infest the interior of the human body. Describe the symptoms to which they severally give rise. (See pp. 491-497.) 15. What are the conditions which you would hold in view in deciding whether, in a given case, there was unwholesome over-
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