Show danger in arsenic production arinton va now a busy center of industry owes its beginning to the poisoning of a farmer 8 cow 8 which also led to the discovery of valuable deposits of arsenic A farmer cleared a new field on the mountain top near by tor for a pasture before long the cows sickened and died it was thought that the trouble lay in a spring which bubbled from the rocks in apparent purity upon analysis it was found that this water contained arsenic in such quantities as to render rende r it dangerous either to man or beast from the time when the ore enters the crushers until the finished prod act reaches the casks it is untouched by human hands it Is carried along from point to point by automatic ar range ments through each process of manufacture the impalpable dust and poisonous gases generated are so dan berous that the atmosphere of the plant has to be kept pure by artificial means |