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).
Reference sheet for previous information regarding the 40/50 distribution box and cut-out.
| Identifier | ExFiles\Box 166\8\ img002 | |
| Date | 1st January 1931 | |
| X.6068. 1.1.31. For previous matter relating to 40/50 distribution box and cut-out (general) see X.7740. | ||