six o'clock
Shortly after , Sidwell fetched her note from upstairs , and gave it to the housekeeper to be delivered by hand as soon as possible . Mrs Warricombe remained invisible , and Sidwell went back to the library , where she sat with _ The Critical _ open before her at Godwin 's essay . Hours went by ; she still waited for an answer from Longbrook Street . At six o'clock she went upstairs and spoke to her mother . ` Shall you come down to dinner ? ' ` No , Sidwell , ' was the cold reply . ` Be so good as to excuse me .