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 40/50 HP and 20-HP production chassis.
| Identifier | ExFiles\Box 29\2\ Scan186 | |
| Date | 17th August 1928 | |
| BY/MTnS/N17.8.28 CH 40/50 HP & 20-HP CHASSIS - STANDARDISATION SHEETS. PARTS NOT YET FITTED TO PRODUCTION CHASSIS+ Date Issued | Stn.Sht. No. | TITLE | Date Completed | Series Where Brought In | CHASSIS TO TEST --- | --- | --- | --- | --- | --- 40/50 HP CHASSIS. 29.9.26 | X.7390/7380 | Front Wing Stay. | 23.2.27. | Not settled. | 12.11.28 7.11.27. | X.7535 | Battery Box in Frame. | 4.4.28 | G.2.B | 12.11.28 23.3.28. | X.7005 | Rear Engine Suspension using Spring Steel Dual Plates & Diabolo Rubber Buffers. | 10.5.28 | G.2.A. | 27.8.28. 26.3.28 | X.3700 | Zenith Petrol Filter | 18.5.28 | G.2.B | 12.11.28 14.5.28 | X.3860 | Maconite Insulated H.T. Wires. | 3.6.28 | G.2.A. | 27.8.28 14.5.28 | X.8690 | Battery Ignition Bakelite Distributor Rotor of Mushroom Type. | 8.6.28 | G.2.B | 12.11.28 24.3.28 | X.7300 | Lightened Flywheel & Clutch. | 17.7.28 | G.2.B | 12.11.28 2.5.28 | X.7810/3580 | Wheels & Hubs Shorter & Lighter | 2.7.28 | G.2.B | 12.11.28 2.5.28 | X.7360 | Rear Brakes Side by Side | 2.7.28 | G.2.B | 12.11.28 20-HP CHASSIS. 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 14.5.28 | X.3860 | Maconite Insulated H.T. Wires | 3.6.28 | N Series | 3.9.28 14.5.28 | X.8690 | Battery Ignition Bakelite Distributor Rotor of Mushroom type. | 8.6.28 | N Series | 3.9.28 19.5.28 | X.5350 | 10 x 47 Rear Axle Ratio | 7.6.28 | N Series Cannot say | 3.9.28 | ||