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 the design for an air intake silencer and cleaner.
| Identifier | ExFiles\Box 152\3\ scan0209 | |
| Date | 4th November 1937 guessed | |
| PART SECTIONAL ELEVATION SIDE ELEVATION SECTION A B SERVAIS SILENCERS LTD 8, OLD PYE STREET, WESTMINSTER S.W.1 AIR INTAKE SILENCER AND CLEANER PATENT APPLIED FOR. | ||