William O. Douglas

“ We cannot sanction taking a man by the heels for refusing to grant the permission which this Act on its face apparently gave him the right to withhold. That would be making an act criminal without fair and effective notice. ”

“ It points out that factory inspection has become the primary investigative device for enforcement of this law, that it is from factory inspections that about 80 percent of the violations are discovered, that the small force of inspectors makes factory inspection, rather than random sampling of finished goods, the only effective method of enforcing the Act. ”