When it is explained that during the time elapsing between his lucky lift in the Prescott machine and the reception of the note, that Lieut. Bradbury had notified Roy that he would be expected to report at the Brooklyn Navy Yard, his feelings on learning that there was suspicion directed against his young protege, may be imagined. Mortlake, too, had received a notice that his machines were eligible for a test, so that there would have seemed to be no object for his acting treacherously.