Joseph McKenna, Heath Milligan Manufacturing Company v…
“ It was not what scientific men might find out by chemical and laboratory tests, or progressive men might discover by practical experiments, but what the people of the state could find out or be justified in accepting as established. It was the experience of the people, not the acts of some progressive manufacturers, which directed the legislation, and it was to protect the people, when following the opinions formed from that experience, from deception, that the statute was enacted. ”
