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).
Nil cost for extra tooling for the 'S2' Series chassis production.
| Identifier | ExFiles\Box 149a\1\ scan0127 | |
| Date | 27th May 1937 guessed | |
| Extra tool Cost Nil. Could be brought on to production at the 1st chassis in "S2" Series (without scrap) | ||