Dickinson Grandfather Clock circa 1790

A great find this weekend was out and about and call in for lunch with a farming couple who were selling up and they offer me this clock made/supply by Dickinson Boston Linconshire UK this is a 8 day grandfather clock in nice order and working oak case painted dail if i did not take it, they were going to burn it, some people still don,t rate old items this is over 225 years old how could they do that? another piece of history save by myself .