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 showing a failure analysis of a broken N.S. Axle Control Damper.
| Identifier | ExFiles\Box 119\2\ scan0315 | |
| Date | 5th December 1928 | |
| F.{Mr Friese} 79314 N.S. AXLE CONTROL DAMPER BROKE HERE AFTER 6hrs 30 MINS RUNNING 4 OF THESE HAVE BROKEN ALTOGETHER ROYCE, LIMITED ENT ROOM 5 DEC 1928 | ||