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).
Blueprint for a Rear Engine Foot Plate.
| Identifier | ExFiles\Box 137\4\ scan0340 | |
| Date | 5th May 1931 | |
| Hs{Lord Ernest Hives - Chair}345 3.000±5 2.300 CRS±2 4 Holes drill .128 Dia C'sk .225 Dia at 90° Incl ∠ .150 Rad 1.150±5 4 Holes Ream .212 Dia C'sk .620 at 120° Incl ∠ 1.450±5 .250 Rad 1.500±10 6.S.W.G.(192) Material S/M Rear Engine Foot Plate 5 MAY 31 DERBY | ||