twelve o'clock
`` That charming widow writes me this morning , asking if I will do her a favor , and take her friend , Mr. Clutterbuck Tubbs , to examine that machinery for the separation of fats we both have an interest in , and he suggests I should lunch with him , as he is very anxious to have my opinion upon the merits of it . '' `` Yes , '' said Theodora . `` She also says , '' referring to the letter in his hand , `` she will take charge of you for the day , and take you to Versailles , which I know you wish to go to . She wants an answer at once , as she will call for you at twelve o'clock if we accept . '' `` I have heard from her , too , '' said Theodora . `` What shall you answer , Josiah ? '' and she looked out of the window .