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 diagram of a test apparatus for a 25 HP side spare wheel bracket.
| Identifier | ExFiles\Box 103\5\ scan0139 | |
| Date | 30th December 1931 guessed | |
| FIG: 1. Y TEST APPARATUS FOR SIDE SPARE WHEEL BRACKET 25. H.P | ||