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 & 20 HP chassis parts not yet fitted to production.
| Identifier | ExFiles\Box 29\2\ Scan207 | |
| Date | 6th March 1929 | |
| 43066 BY/Mtn2/N.6.3.29. 40/50 & 20 HP. CHASSIS -> STANDARDISATION SHEETS. PARTS NOT YET FITTED TO PRODUCTION CHASSIS. Date Issued | Stn. Sht. No. | TITLE. | Date Completed | Series where Chassis Brought in. | To Test 40/50 HP. CHASSIS. 1.11.28 | X.4037 | Enots Petrol Filter | 8.12.28 | J.2. | 6.4.29 20 HP. CHASSIS. 1.11.28 | X.4037 | Enots Petrol Filter | 8.12.28 | 51 in 'O' | 6.4.29 6.11.28 | X.5260 | Mod. to Bonnet Lines | 11.1.29 | Not settled | [strikethrough]30.4.29[/strikethrough] 30.5.28 | X.5310 | Modified Gear Box Casing | 18.2.29 | 51 in 'O' | 6.4.29 [Stamp: RECEIVED 9 MAY 1929] | ||