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 HP & 20 HP chassis.
| Identifier | ExFiles\Box 29\2\ Scan187 | |
| Date | 3rd September 1928 | |
| 40/50 & 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. 7.11.27. | X.7535. | Battery box in frame. | 4.4.28. | G.2.B. | 12.11.88 26.3.28. | X.3700 | Zenith Petrol Filter | 18.5.28. | G.2.B. | 12.11.28 14.5.28. | X.8690 | Battery Ignition Bakelite Distributor/Rotor of Mushroom Type. | 8.6.28. | G.2.B. 2.5.28. | X.7810/3580 | Wheels & Hubs Shorter & Lighter | 2.7.28. | 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.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 19.5.28. | X.5350. | 10 x 47 Rear Axle Ratio | 7.6.28. | Cannot say. Handwritten notes: X N 2906 (right margin) H6 (bottom left) | ||