About eleven o'clock
And apparently satisfied , Filbury resumed his work on the light . `` When was this ? '' demanded Sam . `` About eleven o'clock . I hope it 's all right . I would have delivered the letters myself , only I had a lot of work to do . '' `` It is not all right , and we are going to look into the matter at once , '' said Dick ; and hurried off with Tom and Sam at his heels .