The Principles of hygieneW.B. Saunders Company, 1914 - 525 pages |
From inside the book
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Page 81
... steam pipes or gas - burners in a ventilating shaft . Whatever be the source of heat , it is best to place it at the bottom of the shaft , and not at the top . In places where a central lighting arrangement is adopted , as in the ...
... steam pipes or gas - burners in a ventilating shaft . Whatever be the source of heat , it is best to place it at the bottom of the shaft , and not at the top . In places where a central lighting arrangement is adopted , as in the ...
Page 82
... steam , wind , water , or electricity . The amount of air delivered by a centrifugal fan can be calculated by taking the velocity of revolution of the periphery of the fan ; three - fourths of this equals the velocity of the air , this ...
... steam , wind , water , or electricity . The amount of air delivered by a centrifugal fan can be calculated by taking the velocity of revolution of the periphery of the fan ; three - fourths of this equals the velocity of the air , this ...
Page 83
... steam jet will moisten the incoming air considerably , which may be either an advantage or the reverse . Arrangements for Artificial Ventilation . There are certain points that require attention in all arrangements for artificial ...
... steam jet will moisten the incoming air considerably , which may be either an advantage or the reverse . Arrangements for Artificial Ventilation . There are certain points that require attention in all arrangements for artificial ...
Page 84
... steam pipes . This is the method now commonly employed in the ventilation of large buildings . The whole of the air - supply , in a scheme . of artificial ventilation , ought to be admitted at the required temperature to the chamber to ...
... steam pipes . This is the method now commonly employed in the ventilation of large buildings . The whole of the air - supply , in a scheme . of artificial ventilation , ought to be admitted at the required temperature to the chamber to ...
Page 89
... may receive its heat from steam or hot water warmed in some other portion of the premises and con- veyed in pipes . The general principles of heating are the same in each case , but in the case. HEAT SUPPLIED BY RADIATING SURFACES . 89.
... may receive its heat from steam or hot water warmed in some other portion of the premises and con- veyed in pipes . The general principles of heating are the same in each case , but in the case. HEAT SUPPLIED BY RADIATING SURFACES . 89.
Common terms and phrases
acid ammonia amount animal apparatus bacillus bacteria blood body calories carbolic acid carbon dioxid cause cent centimeters chemical chlorid cholera climate clothing contained cubic meters death-rate deaths diet digestion diphtheria disinfection dust effects employed especially filter filtration fleas formaldehyd frequently fresh air grams Gynecology heat hygienic immunity important impurities increased infection infectious diseases influence injurious inspection Isolation and disinfection kilograms locality malaria Marine-Hospital Service meat method milk mosquitoes nature necessary nitrogen Obstetrics obtained organic matter oxygen parasites passengers patient persons pipe plague poisonous polluted port prevent produced proteid Public Health purification quantity quarantine quarantine officer quarantine station rats regulations removed salts sanitary scarlet fever serum sewage small-pox soil solution steam substances sulphur dioxid supply surface tank temperature tion tuberculosis typhoid fever United vaccination vegetable ventilation vessel weight yellow fever
Popular passages
Page 457 - Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled.
Page 453 - An act granting additional quarantine powers and imposing additional duties upon the Marine Hospital Service...
Page 499 - Treasury, necessary to prevent the introduction of contagious or infectious disea-ses into the United States from foreign countries or into one State or Territory or the District of Columbia...