Blueprint diagram illustrating the position of cracks in a Phantom crankcase.
| Identifier | WestWitteringFiles\P\2July1926-September1926\ Scan215 | |
| Date | 24th September 1926 | |
| OIL PUMP DRIVE. CRACK. CRACK IN WALL OF CRANKCASE OIL PUMP DRIVE COVER CRACKS. TAPPET SIDE OF CRANKCASE SHEWING POSN OF CRACKS. POSITION OF CRACK IN PHANTOM CRANKCASE. ROLLS-ROYCE LTD PRINT R.O. 24 SEP. 1926 DERBY | ||
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).