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).
Drawing of a Condor Tee spring washer, indicating a fracture point.
| Identifier | ExFiles\Box 36\1\ scan 146 | |
| Date | 22th November 1927 | |
| CONDOR TEE SPRING WASHER (E.30837) INITIAL POSITION OF SPLIT COLLARS FINAL POSITION FRACTURE A B .675" -5 HH 22/11/27 | ||