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-saving analysis comparing an old part with a new part, including the cost of new tooling.
| Identifier | ExFiles\Box 129\1\ scan0006 | |
| Date | 11th July 1936 | |
| Est. cost of extra jigs, tools and equipment £182. (Sft{Mr Swift}/Ws.11.7.36.) Already on production. Material Labour Charges Total £. s. d.{John DeLooze - Company Secretary} £. s. d.{John DeLooze - Company Secretary} £. s. d.{John DeLooze - Company Secretary} £. s. d.{John DeLooze - Company Secretary} Cost of old part 9 12 7 7 12 5 11 8 7 28 13 7 Cost of new part 10 15 0 5 18 9 8 18 1 25 11 10 Nett saving. £ 3 1 9 | ||