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).
Weight report for Chassis No. 1.B.5, calculating the nett weight of the body and wings.
| Identifier | ExFiles\Box 100\3\ scan0032 | |
| Date | 27th January 1938 | |
| 27.1.38. WEIGHT REPORT. SO.B.289. Chassis No. 1.B.5. Lorry on arrival ............ 2. 15. 1. 10. Lorry on departure ......... 3. 4. 2. 21. Extra weight ... 9. 1. 11. Less wood packing _________ 2. 12. 8. 2. 27. Less wiper in Body _________ 4. 8. 2. 23. Less Radio controls, cables and brackets .............. 1. Nett Weight 8. 2. 22. (Body & Wings). | ||