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).
Page discussing the performance of ground and cadmium plated springs compared to black-bar type springs.
| Identifier | ExFiles\Box 9\5\ 05-page149 | |
| Date | 23th December 1937 guessed | |
| -2- load is less than with a stiffer spring. They agreed that our ground and cadmium plated spring would enable higher stresses to be used, and would thus give a lighter spring for the same duty than the black-bar type. De/DB.{Donald Bastow - Suspensions} | ||