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).
Alteration to the production test for ignition coil D.72503.
| Identifier | ExFiles\Box 69\2\ scan0033 | |
| Date | 31th December 1930 | |
| X8712 By.{R.W. Bailey - Chief Engineer} from EFC. c. Sft{Mr Swift}/Mr Brock. EFC5/AD31.12.30. X.5781. PRODUCTION TEST OF IGNITION COIL X.8712. D.72503. Will you kindly note that we have altered paragraph 5 of the above production test dated 5.4.30 and now attach new page 2 incorporating the new paragraph 5 which page will you please allow to take the place of the present page 2 in the copy of production test already in your possession. EFC. New page 2 attached. | ||