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).
Cost valuation of priming device parts in stock that are to be superseded by a Pilot Jet.
| Identifier | ExFiles\Box 74\2\ scan0079 | |
| Date | 7th July 1922 | |
| Hs.{Lord Ernest Hives - Chair} from My/JW. My/JW/N1/139A/M7.7.22. X.4387B - Pilot Jet to replace Primer. The value to R.R. of priming device parts in stock at date (5.7.22) which would be superseded by Pilot Jet, is as follows:- Rough material R.R. cost 16. 0. 4 Part machined " " " 69. 8. 6 Finished material " " " 314.18. 0 £ 400. 6.10 My/JW. | ||