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).
Photograph showing wear on the teeth of a Lucas type flywheel after 25,000 starts.
| Identifier | ExFiles\Box 168a\3\ img504 | |
| Date | 27th March 1941 guessed | |
| G.R.5303 - Lucas type flywheel after 25,000 starts with 9 tooth Pinion | ||