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).
Blueprint diagram illustrating cracks on a mechanical component.
| Identifier | ExFiles\Box 83\4\ scan0172 | |
| Date | 23th April 1936 | |
| [ "ROLLS-ROYCE, LTD", "PRINT ROOM", "6 MAY 1936", "DERBY", "B.56. BN{W.O. Bentley / Mr Barrington}", "CRACKED", "WELDING OF END PLATE ALSO CRACKED", "CRACKED", "23. 4. 36." ], | ||