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).
Condition of various plated tappets after treatment.
| Identifier | ExFiles\Box 96\2\ scan0044 | |
| Date | 9th May 1935 | |
| -2- HS{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}17/KW.9.5.35. No. | Thickness of Plating | Treatment | Condition. ---|---|---|--- 6A | .004 | Ground to clean | As 1A, but plating peeling badly 4A | .002 | " " | As 1A 5A | .002 | " " | As 6A The remaining standard tappets, B-7, B-12, & A-7, A-12, were badly grooved without exception, and the surfaces badly scratched. HS{Lord Ernest Hives - Chair}/L.H.Swindall. | ||