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).
Blueprints for a resonant type silencer for the 20/25 HP Chassis.
| Identifier | ExFiles\Box 104\2\ scan0034 | |
| Date | 5th July 1932 | |
| To RHC.{R. H. Coverley - Production Engineer} c. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X5230. BY/CS5/EH.5.7.32. Re 20/25 HP. Chassis - Exhaust Fittings - Section 5230. The Resonant Type Silencer. Please receive herewith blueprints of the following drawings, detailed from Scheme 1607:- E.58683 Silencer Front Stiffener Plate E.58684 Silencer Baffle E.58685 " " E.58686 Silencer Tube E.58687 End Cover (Rear) E.58688 Silencer Baffle Please instruct up the above. Further parts to follow. BY/CS. [Stamped: RECEIVED 22 JUL 1932] | ||