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).
Modification using a bought-out complete unit for the 'U' series chassis, avoiding works tool cost and scrap.
| Identifier | ExFiles\Box 141\2\ scan0088 | |
| Date | 28th September 1934 | |
| CHECKED X This modification comprises a complete unit bought from outside, therefore there will be no works tool cost involved. Could be brought on to production at 1st chassis in "U" series (Sft{Mr Swift}/GH.28.9.34) without scrap. WO RECEIVED | ||