 Some makers retained the Bury pattern of a hemispherical firebox.The American-built 4-2-0 Norris locomotives for the Birmingham and Gloucester Railway resembled a Bury design with outside cylinders, and retained the small D-shaped inner firebox.Kitson also built a number of long-boiler 0-6-0s around 1845, also using the hemispherical haystack firebox.