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 proposed modifications for vehicle components, numbered 13 to 19.
| Identifier | WestWitteringFiles\N\October1925-December1925\ Scan17 | |
| Date | 6th October 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. Surfaces ground all over. (17) Bonnet with wearing strips, G.2. catches & 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 of 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} (Stamp in bottom left corner: RECEIVED H8 OCT 1929) | ||