ten o'clock
`` Take them to the barn and rub them off , '' he said , `` while you wait . And for a half hour bandage their hind legs -- I do n't want any wind puffs from road work . '' He started into the house . Then he turned and said : `` Be here at the door , Jim , by ten o'clock , sharp . I shall make another call after this . Mind you now , ten o'clock , sharp . '' At the library he knocked and walked in .