For information on Robert Stephenson and locomotives which they built that have been preserved in Britain go to Robert Stephenson & Co.
Robert Stephenson & Company Works No 3543 – SAR 1701, South Africa
Robert Stephenson & Company Works No 3560 – SAR 1718, South Africa
Robert Stephenson & Company Works No 3632 – SAR 1733, South Africa
Robert Stephenson & Hawthorns Works No 7280 2767, South Africa