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).
Specifications for windows and noise-insulating walls for test bed separation.
| Identifier | ExFiles\Box 176\2\ img044 | |
| Date | 4th March 1940 | |
| Cont'd.{John DeLooze - Company Secretary} Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}16/ML.4.3.40. (7) WINDOWS. As marked on our print. (8) WALLS. The inside walls, separating the shop from the test beds, should, if possible, be noise insulating. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||