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 estimate for new tools related to the production of the 'L' series chassis.
| Identifier | ExFiles\Box 147\5\ scan0228 | |
| Date | 7th May 1937 guessed | |
| Estimated cost of New Tools ........ £14. 0. 0. Could be brought on to production at the 1st. chassis in "L" series (without scrap) | ||