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).
Internal memorandum requesting an official order be placed for filters for experimental B.60 engines.
| Identifier | ExFiles\Box 135\3\ scan0307 | |
| Date | 2nd September 1938 | |
| 1139. To Roy.{Sir Henry Royce} c. to G/JWH. c. to HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel} Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}2/JH.2.9.38. Will you please pass an official order to The British Filters Ltd., Aircraft House, Market Harborough, for 3 General filters EB.4170 complete with support cradles EB.4171 which we have ordered in our letter ref. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}3/JH.2.9.38. These are for use on exptl. B.60 engines, the order number being 52465. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||