Sketch showing transverse waterways on Phantom III and Bentley cylinder heads.
| Identifier | ExFiles\Box 93\4\ scan0058 | |
| Date | 6th August 1936 guessed | |
| P III STD. CYL HEAD - E.84727 (SECTION ON C/L OF VALVES) BENTLEY STD. CYL: HEAD. (E.B.2560) (SECTION ON C/L OF VALVES.) SKETCH SHOWING TRANSVERSE WATERWAYS ON P III AND BENTLEY CYL. HEADS. | ||
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).