Standardisation sheet listing parts not yet fitted to 40/50 HP and 20-HP production chassis.
| Identifier | ExFiles\Box 29\2\ Scan185 | |
| Date | 1st July 1928 | |
| BY {R.W. Bailey - Chief Engineer} /Mtn7/K. 7.28. 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. 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 and Diabolo Rubber Buffers. | 10.5.28. | G.2.A. | 27.8.28. 30.3.28. | X.356/7300 | Cotton Duck Washers for Slipping Wheel in conjunction with lighter Springs. | 10.5.28. | When supplies are available. 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. {Mr Adams} | 27.8.28. 14.5.28. | X.8690 | Battery Ignition Bakelite Distributor Rotor of Mushroom Type | 8.6.28. | G-2-B. 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. | G-2-A. {Mr Adams} | 27.8.28. 14.5.28. | X.8690 | Battery Ignition Bakelite Distributor Rotor of Mushroom type | 8.6.28. | G-2-B. 19.5.28. | X.5350 | 10 x 47 Rear Axle Ratio | 7.6.28. | Cannot say. (Handwritten note on right margin: X356) (Handwritten stamp in top right: GH in a circle) | ||
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).