Ten o'clock
He had left a ten o'clock call with the hotel 's visiphone operator when he got back to the hotel at last . When she called he groggily opened one eye half way , and fumbled for the toggle-switch . `` H'lo . '' `` Ten o'clock of a fine morning , Mr. Hanlon . '' `` Oh , no ! '' he groaned . `` Oh , yes , '' she giggled .