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).
Diagram showing the positions of leaks on PH III oil coolers.
| Identifier | ExFiles\Box 94\3\ scan0129 | |
| Date | 5th December 1936 guessed | |
| 3 - AZ - 88 COOLER - E.4 BOTTOM PLATE WATER EXIT FACE OF MATRIX. LEAK AT JUNCTION BETWEEN ENDS OF THESE THREE TUBES & BOTTOM END PLATE. SIDE PLATE 3 - AZ - 98 COOLER - E.8. BOTTOM PLATE WATER INLET FACE OF MATRIX LEAK AT JUNCTION OF END OF THIS TUBE & SIDE PLATE. SIDE PLATE. DIAGRAM SHOWING POSITIONS OF LEAKS ON PH III OIL COOLERS | ||