From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Record concerning step irons and body brackets for B.III, B.50, and Wraith 80 models.
| Identifier | ExFiles\Box 98\2\ scan0240 | |
| Date | 6th December 1938 | |
| HOH Rm.{William Robotham - Chief Engineer} Da.{Bernard Day - Chassis Design} 15/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 6.12.38 B.III, B.50 + Wraith 80. Step Irons & Body Brackets File 1021. | ||