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 listing parts not yet fitted to production 40/50 & 20 HP chassis.
| Identifier | ExFiles\Box 29\2\ Scan215 | |
| Date | 4th June 1929 | |
| BY/Mtn/N.4.6.29. X3066 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 | 24.6.29 12.2.29 | X.7280/5230 | Staybrite Steel for Exhaust Snout. | 14.3.29 | J-2 | 24.6.29 20 HP. CHASSIS 6.11.28 | X.5230 | Mod. to Bonnet Lines. | 11.1.29 | 'P' Series | 23.9.29 20.2.29 | X.4491 | Tangye Jack for 20 HP. | 25.4.29 | As soon as available | 7.6.28 | X.4038 | Hobson K.S. Telegauge. | 9.5.29 | 51 in 'O' | 6.4.29 26.3.29 | X.5400/5600 | Rear Spare Wheel Carrier and Luggage Grid. | 9.5.29 | 51 in 'O' | 6.4.29 26.3.29 | X.5460 | New Petrol Tank. | 29.5.29 | 51 in 'O' | 6.4.29 4.4.29 | X.5430 | Steering Wheel 17¾" dia. | 13.5.29 | 'P' Series | 23.9.29 24.4.29 | X.5810/3725 | Wheels with 19" rims. | 15.5.29 | 'P' Series | 23.9.29 24.4.29 | X.5010 | Stiffer Crankshaft. | 29.5.29 | 'P' Series | 23.9.29 | ||