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).
And sketch detailing wear patterns on gudgeon pin pads and cylinder walls.
| Identifier | ExFiles\Box 82\1\ scan0258 | |
| Date | 12th October 1933 | |
| no bedding showing bedding hard bedding very light slot narrowed in. collopse on this dia The rubbing pads of the gudgeon pins show very bright and have marked the cylinder walls on etc 173. HHB | ||