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 an experimental rear silencer for a Bentley.
| Identifier | ExFiles\Box 86\3\ scan0104 | |
| Date | 19th November 1935 | |
| [ "11.00"", "8.00"", "6.50"", "1.50"", "2.00"", "3.750"", "6.250"", "24 - 5/16" HOLES BOTTOM OF PIPE", "50 - 5/16" HOLES TOP OF TOP HAT.", "EXPᵀ REAR SILENCER FOR BENTLEY.", "Rm.{William Robotham - Chief Engineer} 10", "G.H.W.", "19.11.35" ], | ||