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).
Diagram illustrating breakages on a Phantom luggage grid bumper chassis after load testing.
| Identifier | ExFiles\Box 67\2\ scan0117 | |
| Date | 17th October 1927 | |
| F76225- PHANTOM LUGGAGE GRID. BUMPER CHASSIS. 220LBS LOAD. 4 1/2 HRS. 17-10-27 Thicken inside X5400 N.S. BREAK. 1ST 3/4" O.S. BREAK. 2ND Thicken outside | ||