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).
Note concerning the rear axle for the B.III + 50 chassis.
| Identifier | ExFiles\Box 98\1\ scan0151 | |
| Date | 9th May 1939 | |
| 402. Gmp. By/Ald.{F. Allwood - Experimental Design} 1/AW. 9.5.39 B.III + 50 Chassis Rear axle file 1015 | ||