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).
Instruction memo to fit a single ball drain valve and an additional pipe to the induction system of unit no. 13.
| Identifier | ExFiles\Box 91\2\ scan0424 | |
| Date | 25th January 1938 | |
| d 308 300a? To HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel} from Rm{William Robotham - Chief Engineer}/GR.{George Ratcliffe} Rm{William Robotham - Chief Engineer}/GR.{George Ratcliffe}2/MH.{M. Huckerby}25.1.38. 32-EX. UNIT NO.13. Will you please fit the single ball drain valve Rm.{William Robotham - Chief Engineer}477/8 to the induction system on the above car. This necessitates an additional pipe from the carburettor top. The parts complete have been handed over to HPS{Horace Percy Smith - Experimental Factory Mgr}/JW. and only require assembling on the unit. Rm{William Robotham - Chief Engineer}/GR.{George Ratcliffe} | ||