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).
Table listing parts not yet fitted to production chassis, detailing their issue, completion, and testing information.
| Identifier | ExFiles\Box 29\2\ Scan184 | |
| Date | 6th June 1928 | |
| BY/Mtn4/K.{Mr Kilner} 6. 6. 28. PARTS NOT YET FITTED TO PRODUCTION CHASSIS. Date Issued. | Stn.Sht. No. | TITLE. | DATE COMPLETED. | SERIES WHERE BROUGHT IN. | CHASSIS TO TEST. 10.11.27. | X.5800/5260. | Wider Dash & Bonnet. | 22.12.27. | N Series (101) | 10.12.28. 23.5.27. | X.5250 | Radiator with Integral Vertical Shutters. | 1.9.27. | N Series. | 3.9.28. 1.3.28. | X.5650 | Modified Starter Motor Drive. | 18.4.28. | N Series. | 3.9.28. | ||