By Helen ROWE LONDON, Nov 7, 2023 (AFP) – Undelivered letters written to French sailors during an 18th century war between Britain and France have finally been opened and studied — after more than 250 years gathering dust. The unread letters have provided a rare insight into the lives of sailors and their families in the 1700s, from the wife of a senior naval officer to an elderly mother chastising her son for not writing. […]