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 illustrating a crack in a Phantom III upper triangle lever.
| Identifier | ExFiles\Box 95\2\ scan0210 | |
| Date | 8th June 1937 | |
| P III BUMPER CHASSIS Ex I 176 UPPER TRIANGLE LEVER G 84991 S/NCR - FRONT NS.{Norman Scott} CRACKED AS SHOWN AFTER 66 HRS RUNNING ON BUMPER CHASSIS. WRAITH WHEEL MOVEMENTS ROLLS ROYCE LTD PRINT ROOM 8 JUN 1937 DERBY CRACK IN UPPER TRIANGLE LEVER Ex I 176 | ||