about three o'clock
`` Well , the -- '' `` I 've got to send a man up there right away . Perhaps we can get there in time to head them off . They have to send their man over -- By the way , '' he queried , struck with a new idea , `` how long have you been driving piles ? '' `` Since about three o'clock . '' `` Six hours , '' computed Thorpe . `` I wish you 'd come for me sooner . '' He cast his eye rapidly over the men .