six o'clock
He whirled about to see what had caused it , and became instantly aware of a stout-built soldier swaying uneasily at the entrance and in thick tones arguing with the waiter . He saw at a glance the man had been drinking , and divined he was there to get more liquor . He was on the point of warning the steward to sell him none , but was saved the trouble . The steward bent down and whispered : `` This makes the second time he 's come in since six o'clock . I refused to let him have a drop . Ca n't something be done to keep him out ? We ca n't lock the door , you know , sir . ''