Summary

Charles Evans Hughes Miller v. Wilson — Opinion of the Court

It is manifestly impossible to say that the mere fact that the statute of California provides for an eight-hour day, or a maximum of forty-eight hours a week, instead of ten hours a day, or fifty-four hours a week, takes the case out of the domain of legislative discretion. This is not to imply that a limitation of the hours of labor of women might not be pushed to a wholly indefensible extreme, but there is no ground for the conclusion here that the limit of the reasonable exertion of protective authority has been overstepped.
Source: Wikisource

Charles Evans Hughes Miller v. Wilson — Opinion of the Court

For it is always possible by analysis to discover inequalities as to some persons or things embraced within any specified class. A classification based simply on a general description of work would almost certainly bring within the class a host of individual instances exhibiting very wide differences; it is impossible to deny to the legislature the authority to take account of these differences, and to do this according to practical groupings in which, while certain individual distinctions may still exist, the group selected will, as a whole, fairly present a class in itself.
Source: Wikisource

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