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 3 of a document regarding the addition of a warning plate.
| Identifier | ExFiles\Box 51\2\ Scan143 | |
| Date | 31th August 1923 | |
| Contd. -3- EFC {E. Fowler Clarke - Electrical Engineer} 4/T31.8.23. by the addition of the warning plate referred to above. E.F.C., EFC. {E. Fowler Clarke - Electrical Engineer} | ||