sentences:  On 4 June 1928 the company closed its doors at Thetford for good, with the final engines being built at Leiston by Richard Garrett & Sons.The original plans to many of the Burrell engines are held privately by the Palmer family of Haughley in Suffolk through the marriage of Mrs Annie Palmer to Mr Thomas Doran whom with his brother founded Doran Bros of Thetford at Haughley House in Croxton Road, Thetford.The first portable engine produced by Charles Burrell & Sons and their first steam engine of any kind was completed in 1846.