1) The document discusses the history of letter writing, including the use of quill pens, inks, and paper production. 2) It then covers the development of the postal service in Ireland from the 16th century through the 19th century, including the establishment of post offices, introduction of mail coaches and penny post. 3) Finally, it provides the text of a letter from 1864 requesting assistance regarding the omission of her husband from an invitation list for a ball at a local castle.