Other, no date

Is it not a fact that the healbh of many people has been jeopardized and to som e extent sacrificed in the development of our knowledge pretaining to the use of X-ray and radium for deep day therapy before complete knowledge as to the physical properties and possible injurious effects whi ch mig accrue in the handling of these rather new types of radiationum estatlished Is it not a fact that even at the time that such injuries occured that it was commonly beliefed all precautions were taken which would protect operators handling or working with thes etypeSof radiation from any possible injuries. Is it not a fact that those who allowed operators to hand the material to an extent whereby their health was injured were not negligent or liable in view of the information developed at that time. which was known varielable at that timi Is it not a fact that the same situation applies to the deleterious effects accnuing to the health of individuals where automatic refrigeration was used with methy chloride as the refrigerant. Is it not a fact that those who countenanced the use of methyol chloride for such a prupose could not be considered as having unduely exposed those who became afflicted in view of the fact that at that time a small amount of methyol chloride was not proved to be deleterious or was not known to produce effects as were later recognized. assumed the purpose of the queents such sunch faits