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).
Agreed brake arrangement for all S.S. cars, with a diagram of lever dimensions.
| Identifier | ExFiles\Box 26\4\ Scan385 | |
| Date | 10th May 1929 | |
| To RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} x719 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}2/LG10.5.29. S.S. BRAKES. x7420 The following is the agreed brake arrangement for all S.S. cars. 21-EX is at present so equipped. 45º cams. Woven cotton A.{Mr Adams} discs. 1.375 1.3750 2.188 Ferodo bonded asbestos or Ferobestos material - not yet settled. We have only given the dimensions of levers that have been subject to alteration. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||