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).
Parts list for a Bentley 11 Air Silencer modification to suit larger carburetters.
| Identifier | ExFiles\Box 85\4\ scan0194 | |
| Date | 24th August 1938 | |
| HPS.{Horace Percy Smith - Experimental Factory Mgr} (crossed out) Rm.{William Robotham - Chief Engineer} (crossed out) Rm{William Robotham - Chief Engineer}/Cts.{C. Trot Salt - Carburation} (crossed out) 208 BY/Ald.{F. Allwood - Experimental Design}10/G.24.8.38. BENTLEY 11. AIR SILENCER. SECTION 5082. Please receive herewith two blueprints of the following with an extra print of parts marked thus @ :- S.CD.808 Air Intake for Larger Carburetters. Ex.S.849 Locking Wire. 1 off. Ex.S.850 Nut 1 off. Ex.S.851 Support Bracket. 1 off. Ex.S.852 Flange. 1 off. Ex.S.853 Disc 1 off. Ex.S.854 Downtake Pipe. 1 off. Ex.S.855 Inner Frame. 1 off. Ex.S.856 End Plate. 1 off. Ex.S.857 Inner Pipe. 1 off. Ex.S.858 Shell 1 off. @ Ex.S.859 Air Intake. 1 off. Jubilee Clip - Size 111. 2 off. The remainder of parts to be as used on the standard Bentley 11 engine. This modification has been done at the request of Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}S/MH.{M. Huckerby}3.8.38. to suit a special set of induction pipes and carburetters. Kindly instruct one set. Ald{F. Allwood - Experimental Design} (handwritten signature) BY/Ald.{F. Allwood - Experimental Design} | ||