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).
Standardisation sheet for 40/50 and 20 HP chassis, listing parts not yet fitted to production.
| Identifier | ExFiles\Box 29\2\ Scan203 | |
| Date | 2nd November 1928 | |
| BY/Mtnl/N.2.11.28 cont'd.{John DeLooze - Company Secretary} 40/50 and 20 HP CHASSIS - STANDARDISATION SHEETS, cont'd.{John DeLooze - Company Secretary} PARTS NOT YET FITTED TO PRODUCTION CHASSIS. Date Issued | Stn.Sht. No. | TITLE | Date Completed | Series where Chassis Brought in | To Test 20 HP CHASSIS 10.11.27 | X.5800/5260 | Wider Dash & Bonnet | 22.12.27 | N.Series(101) | 10.12.28 19.5.28 | X.5350 | 10 x 47 Rear Axle Ratio | 7.6.28 | Cannot say | 3.9.28 | X.5800 | Headlamps raised as on 12.G.4 | 25.9.28 | N.Series(101) | 10.12.28 7.6.28 | X.5250/5500 | Higher Radiator Bonnet and Dash. | 2.10.28 | N.Series(101) | 10.12.28 24.7.28 | X.5820 | 20" Rims and 6" Tyres | 27.10.28 | N.Series(70) | 4.11.28 | ||