"The chemical laboratory is actually not a dangerous place to work in, but it demands a reasonable prudence on the part of the experimenters and instructers, to keep it a safe place. Emphasis must be positive, indicating the proper, correct and safe procedure to be followed in all laboratory operations or when confron ted with an emergency situation. Too heavy stress upon the horrors associated with laboratory accidents or graphic descriptions of gory injuries or nasty fires should be avoided. Frightened, timid students are more likely to have accidents than the confident laboratory man who...