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).
Standardization document for fitting a spare wheel carrier on the left-hand side of the chassis.
| Identifier | ExFiles\Box 171\1\ img272 | |
| Date | 18th November 1931 | |
| STANDARDISATION OF CHASSIS PARTS. SPARE WHEEL CARRIERS ON THE L.H. SIDE. Description of Part: Side wheel carrier to be fitted on L.H. side of chassis when requested by customer on nearest suitable chassis number. Origin: To suit customer's requirements. If this has been proved by special test or experience, state where and when: Position of off side wheel carrier to be as per sketch No. 2 for 20/25 H.P. & 51 in 'T' for 40/50 HP. The number of the first chassis on which the new part will be fitted.... 101 in 'T' for 20/25 HP. & 51 in 'N.2 for 40/50 HP. Date when chassis will be handed over to test.... Cost of scrapped material, if any. Nil. Cost of jigs and tools.... Nil. Signature of men who have passed above comments D.C. D.11. P.C. OR. C. S.O. APPROVALS: INITIALS | DATE | REMARKS SD | 25.11.31 | Agreed for SG{Arthur F. Sidgreaves - MD} R | 21.9.31 | [Signature] ROW | 19.8.31 | C | 15.9.31 | Agreed OR | 01.9.31 | Agreed DA{Bernard Day - Chassis Design} | 02.9.31 | Agreed as an alternative standard where a single spare wheel is specified on L.H. side. YB | 03.9.31 | Agreed EB | 05.9.31 | Agreed E | 08.9.31 | Agreed WH | 04.9.31 | Agreed SH | 09.9.31 | Agreed | ||