Show Ventilating Experts I Seek Way a to Ban an Odors ors From Rooms Swampscott Mass Engineers Engineers Engineers Engi Engi- may discuss ventilating and air conditioning and use their layman-baffling layman elms to describe the flow of air but what most people want to know knowis is what to do about odors when they think of ventilating In the meeting of the American Society of Heating and Ventilating Engineers here two scientists from Harvard's school of public health disclosed their studies about odor removal from rooms and audi audi- Prof C. C P. P and W W. N. N Witheridge showed that there is a characteristic human smell which can cm be detected in a room after the occupants ants have left it This human odor is apparently highly complex unstable and rapidly breaks down but there is a certain minimum amount of the odor left leftin leftin I in a room which will last for days until it is thoroughly ventilated The findings show that where numbers of people gather large rooms should be used for great size acts as a sort of reservoir of odor which al allows allows allows al- al lows the initial d decrease crease in hi intensity of odor to occur harmlessly |