...that this Is so, its decision upon this subject cannot be re- » viewed by the federal courts. * * While the general experience of mankind may * justify...frequently subjected to foul atmosphere and a very high temperature, or to the influence of noxious gases generated by the processes of refining or smelting....

...believing that this is so, its decision upon this subject cannot be reviewed by the Federal courts. While the general experience of mankind may justify...eight hours per day without injury to their health, it do?s not follow that labor for the same length of time is innocuous when carried on beneath the surface...

...measures are necessary for the protection of such Interests." Again, In the same opinion, it is said that: "While the general experience of mankind may justify...frequently subjected to foul atmosphere and a very high temperature, or to the influence of noxious gases, generated by the processes of refining or smelting."...

...unconstitutional interference with the liberty of contract nor a denial of due process of law. The court said : "While the general experience of mankind may justify...engage in ordinary employments more than eight hours a day without injury to their health, it does not follow that labor for the same length of time is...

...so, its decision upon this subject cannot be reviewed by the Federal courts. Opinion of the Court. While the general experience of mankind may justify...frequently subjected to foul atmosphere and a very high temperature, or to the influence of noxious gases, generated by the processes of refining or smelting....

...believing that this is so, its decision upon this subject can not be reviewed by the Federal courts. While the general experience of mankind may justify...that men may engage in ordinary employments more than 8 hours per day without injury to their health, it does not follow that labor for the same length of...

...believing that this is so, its decision upon this subject cannot be reviewed by the federal courts. 'While the general experience of mankind may justify...and is frequently subjected to foul atmosphere and very high temperature, or to the influence of noxious gases, generated by the processes of refining...

...person performing the labor is required to work beneath the surface of the earth or in other places where the operative is deprived of fresh air and sunlight and is frequently subjected to foul atmosphere, a very high or low temperature, or to the influence of noxious gases. It may also limit the hours of...

...believing that this is so, its decisions upon this subject cannot be reviewed by the Federal courts. "While the general experience of mankind may justify...frequently subjected to foul atmosphere and a very high temperature, or to the influence of noxious gases generated by the processes of refining or smelting."...

...believing that this is so, its decision upon this subject cannot be reviewed by the Federal Courts. While the general experience of mankind may justify...frequently subjected to foul atmosphere and a very high temperature, or to the influence of noxious gases, generated by the processes of refining or smelting."...