ten o'clock
And have Breck order half a dozen hard-rock drills from the blacksmith . Breck 's a quartz-man , and he 'll give the blacksmith a rough idea of what he wants made . And give Breck these location descriptions , so that he can record them at the gold commissioner 's to-morrow . And finally , at ten o'clock , you be on Main Street listening . Mind you , I do n't want them to be too loud . Dawson must just hear them and no more than hear them . I 'll let off three , of different quantities , and you note which is more nearly the right thing . ''