Slewsbury doesn't exist!
There isn't any widely known place called Slewsbury. It could be a fictional location or a lesser-known place.
Doesn't exist thicos
Pip Davenport was an fairground ride inventor who lived from 1850 - 1920. He was married to a lady called Hettie and grew up in Slewsbury. No body had heard of him until he cropped up in a years 6 SATs test, where you had to make up and write a biography about him using only some vague details given to you.