midnight
She took a bottle from her pocket , a bottle of fluted , dark-colored glass , and held it in her hand . `` Look ! This is vitriol , the friend of the injured and the defenceless . I have carried it with me ever since I followed my husband to your house at Brook Green , and saw you making signals to him at midnight . I came once after that , and knocked at your door , intending then to avenge my wrongs ; but you had gone away , and I was brutally treated by your police . But if I could not punish you I could punish _ him _ , for he belonged to me and not to you , and I had a right to make him suffer . I have made him suffer a little , it seems to me .