David Davis, Union Pacific Railroad Company v…
“ To work as a helper at a moulding machine, or a common work-hand on the floor of the shop, is a very different thing from ascending a ladder resting on a shaft, to adjust displaced machinery, when the shaft was revolving at the rate of 175 to 200 revolutions per minute. The father had the right to presume when he made the contract of service that the company would not expose his son to such a peril. ”
