two o'clock A.M.
You might keep your right hand exposed , -- sort of perpendicular from the elbow up . Take the receiver off the hook and -- '' `` Oh , I know how to use a telephone all right . '' `` Now , the main thing is to get Central , '' said Mr. Yollop imperturbably . `` Sometimes it is very difficult to wake them after two o'clock A.M. Just jiggle it if she does n't respond at once . Seems that jiggling wakes them when nothing else will . '' Mr. Yollop , very tall and spare in his pajamas , stood behind the burly Mr. Smilk , the dangling disc almost touching the latter 's hunched up shoulders . `` This is a devil of a note , '' quoth Mr. Smilk , taking down the receiver .