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).
Inspection report on the condition of 30 HP cylinder heads on a specific car.
| Identifier | ExFiles\Box 10\5\ 05-page096 | |
| Date | 2nd May 1921 | |
| P.R./2479 2.5.21 SUBJECT. CYLINDER HEADS. 30.H.P. Car No. 60555 Date fitted Date examined Mileage 4995 Report on condition of Ports & Faces. INLET PORTS & FACES VERY GOOD. EXHAUST PORTS & FACES SLIGHTLY PITTED. Report on combustion Heads. GOOD CONDITION. General Remarks. VALVE CAPS & PLUGS GOOD. Signed A.{Mr Adams} Wormald | ||