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April 8, 1933


JAMA. 1933;100(14):1109-1110. doi:10.1001/jama.1933.02740140033013

The final report of the New York Commission on Ventilation,1 which began its work in 1913, concludes that desirable conditions may be obtained for schools by plenum ventilation, local unit ventilation or window-gravity ventilation but recommends further investigations into the physiologic effects of radiation and convection of heat, of vertical variations in temperature, and of electrical and other properties of the atmosphere. Following this report, the American Institute of Architects2 passed a resolution for revision or repeal of present codes or regulations until such time as hygienists and engineers may agree. In June, 1932, Yaglou and his co-workers3 sought to clarify the confusion that has arisen regarding the interpretation of certain standards advocated by them for a number of years; viz., the "effective temperature index" and the use of "comfort charts." Simultaneously the American Society of Heating and Ventilating Engineers4 adopted a greatly simplified set of