"Layin' a stone—or somethin'—my lady," said the chauffeur in a puzzled voice.
The chauffeur took his seat and looked around at Bob, waiting.
The chauffeur was busied with his car fiddling with the machinery.
The chauffeur smiled approval, while continuing to tinker at his machine.
The chauffeur began to supply the wants of his machine with the help of an apprentice.