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 estimation for extra jigs and tools, with a cost comparison between an old and a new part.
| Identifier | ExFiles\Box 86\4\ scan0122 | |
| Date | 28th May 1935 | |
| Est. cost of extra jigs, tools and equipment (Sft{Mr Swift}/Ws.17.5.35) £493.0.0 Could be brought on to production at the 1st chassis in "F" series, (Sft{Mr Swift}/GH.28.5.35) without scrap. Material Labour Charges Total Cost of Old Part 1-1-10 18-4 1-7-6 3-7-8 Cost of New Part 1-12-0 1-11-11 2-7-10 5-11-9 Nett Increase £2-4-1 | ||