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).
List of clutches fitted to various chassis units in January 1938.
| Identifier | ExFiles\Box 129\4\ scan0125 | |
| Date | 1st January 1938 | |
| CLUTCHES JAN. 1938. file 1110 Chassis Unit Reg. No. | Clutch. Date plate fitted. | Chassis Unit Reg. No. | Clutch. Date plate fitted. | Chassis Unit Reg. No. | Clutch. Date plate fitted. ---|---|---|---|---|--- 32-EX. 13 RC.{R. Childs}2545 | 4 finger OCD.158 Extra inertia Long-Thermoid Rigid Hub. | 3.B.IV B.22 RC.{R. Childs}1310 | Std. B & B. Thermoid 5.8.37. | 24.G.VI W.III-2 RC.{R. Childs}3579 | Std. B & B. Thermoid 4.12.37 35-EX. 16 RC.{R. Childs}3170 | 6 finger standard. B & B cross cushion Thermoid 29.12.37. | 6.B.IV B.24 RC.{R. Childs}3600 | Std. B & B. Thermoid 7.9.37. Clutch Servo. | 25.G.VI W.2 RC.{R. Childs}5328 | Std. B & B. Thermoid 16.12.37. 39-EX. 14 RC.{R. Childs}4922 | | B.23.AE. B.15 AUL.1 | Std. B & B. Thermoid 24.6.37. Clutch Servo. | 26.G.VI W.III-7 RC.{R. Childs}5007 | Std. B & B. Thermoid 3.1.38. | | B.56.BN.{W.O. Bentley / Mr Barrington} B.3 BLA.2.11. | Std. B & B. Thermoid 18.12.37. | 27.G.VI. W.III-4 RC.{R. Childs}4724 | Std. B & B. Thermoid 26.10.37, | | | | 28.G.VI W.III-5 RC.{R. Childs}5627 | | | | | 29.G.VI. | | ||