Keywords: Ahrons (1921) Steam Locomotive Construction and Maintenance Fig45.jpg ' Saint ' class in the period when these were taper-boilered 4-4-2 atlantics later rebuilt as 4-6-0 The number could be either 180 or 190 Original Steam Locomotive Construction and Maintenance p 114 Fig 45 <br>Scan Internet Archive “ http //www archive org/details/steamlocomotivec00ahrorich 1921 E L Ahrons PD-old-auto-1923 1925 PD-old Scans from Ahrons 1921 Steam Locomotive Construction and Maintenance Swindon Works GWR 2900s of Great Western Railway Steam locomotive construction |