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).
Cover letter for the Specification of Inspection and Test for a 40/50 HP Switchbox.
| Identifier | ExFiles\Box 163\6\ img070 | |
| Date | 6th November 1930 | |
| X6016. Ry. from EFC. c. Sft{Mr Swift}/Mr Brock. EFC6/AD6.11.30. X.7781sb.{Mr Bull/Mr Bannister} R.R. 40/50 HP. SWITCHBOX. X.6016. Herewith please receive copy of Specification of Inspection and Test for the above. EFC. Specification attached. | ||