Q. Where do you reside?
A. I am living at Walls station.
Q. Are you in the employ of the Pennsylvania Railroad Company?
A. Yes, sir; I am running a passenger engine—the "accommodation"—as engineer.
Q. Were you in July last?
A. Yes, sir.
Q. Between what points?
A. Between Walls and Pittsburgh.
Q. What is the distance of Walls from Pittsburgh?
A. Sixteen miles.