Complex sentence: Ball, p.271 Booth was appointed an ordinary justice of the Court of Common Pleas (Ireland) in 1660 and its Chief Justice in 1670, by which time he had already begun to suffer from the chronic ill-health which plagued his later years.
Split into simpler sentences: Ball, p.271 Booth was appointed an ordinary justice of the Court of Common Pleas (Ireland) in 1660 and its Chief Justice in 1670. He had already begun to suffer from the chronic ill-health which plagued his later years.