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).
Estimated cost for new tools relating to the S2 Series chassis.
| Identifier | ExFiles\Box 136\1\ scan0234 | |
| Date | 28th May 1937 guessed | |
| Estimated cost of new Tools £27. 0. 0. Could be brought on to production at the 1st. chassis in "S2" Series (without scrap). | ||