CHAPTER IV. Ventilation

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