about ten o'clock
But with regard to him they had the feeling that he was never altogether at his ease . They described him -- though that , of course , was after the event -- as having left upon them the impression of a haunted man . There was one occasion in particular . It was about ten o'clock . The Jetsons had been spending the evening with the Hepworths , and were just on the point of leaving , when there came a sudden , clear knock at the door . It turned out to be Jetson 's foreman , who had to leave by an early train in the morning , and had found that he needed some further instructions . But the terror in Hepworth 's face was unmistakable .