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 of a vehicle test rig and associated recording apparatus.
| Identifier | ExFiles\Box 28\5\ Scan016 | |
| Date | 20th February 1930 guessed | |
| Hs{Lord Ernest Hives - Chair} 267, TEST RIG, RECORDING APPARATUS., 1/10 SECS, PAD MOVEMENT | ||