VENTILATION
VENTILATION
INTRODUCTION
VENTILATION DEFINED
RATE OF RESPIRATION
VOLUME OF AIR INSPIRED AND EXPIRED
CAPACITY OF THE LUNGS
AMOUNT OF AIR REQUIRED PER HOUR
OBJECT OF VENTILATION
SOURCES OF IMPURITIES IN AIR
RESPIRATION OF PERSONS
IMPURITIES FROM HEATING AND ILLUMINATION
ACCIDENTAL SOURCES
EFFECTS OF FOUL AIR
REQUIREMENTS OF A VENTILATING SYSTEM
EXCHANGE AND CIRCULATION OF AIR
ILL EFFECTS OF VITIATED AIR
REBREATHING AIR
NATURE’S PURIFICATION METHODS
NECESSITY FOR VENTILATION
NATURAL MEANS OF VENTILATION
THROUGH WINDOWS AND DOORS
AMOUNT OF CUBIC SPACE PER PERSON
THROUGH SPECIAL DUCTS
MECHANICAL VENTILATION
DEVICES REQUIRED
PLENUM SYSTEM
VACUUM SYSTEM
WASHING THE AIR BEFORE ADMITTING TO HOUSE