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).
Page detailing a test procedure concerning amperes and regulator adjustment.
| Identifier | ExFiles\Box 166\2\ img214 | |
| Date | 1st September 1938 guessed | |
| -2- between 17 and 18 amperes. At the end of this test the regulator adjustment as specified in para. 1, and 2 shall not have altered. | ||