Sanitary engineering in India : for the use of municipalities and engineers / by John Wallace.

  • Wallace, John.
Date:
1893
Catalogue details

Licence: Public Domain Mark

Credit: Sanitary engineering in India : for the use of municipalities and engineers / by John Wallace. Source: Wellcome Collection.

    240/300 (page 212)
    probably balance, in rent, the extra cost of ventilation leaving the improved hygienic conditions as pure gain. Among the necessities and luxuries of modern life a pure and constant supply of air may rank at least next to that of good water, and before either gas, electricity or telephones; and its cost of application when compared with what the breathing of vitiated air costs in health on money leaves no doubt as to its practical economy.