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).
List of specifications and modifications for various vehicle components, numbered 13 to 19.
| Identifier | ExFiles\Box 67\3\ scan0305 | |
| Date | 10th September 1925 guessed | |
| 2. (13) Subframe side levers N.sch.1870. (14) Sheet steel wing stays N.sch.1824. (15) Dipping head lamps RR. type. N.schs.1824. 1855. (16) Springs of superior manufacture. a.{Mr Adams} Improved heat treatment. b. Surface ground all over. (17) Bonnet with wearing strips G.2. catches and revised open type handles. (18) 57" track at rear - (spring centres unaltered) Front axle is 57" from 'U' series. (19) Shock dampers. Either of the hydraulic types already designed, or of a more lasting friction type which a design has yet to be made. A design will also be made of an hydraulic type with a horizontal double piston. R.{Sir Henry Royce} | ||