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).
Letter inquiring about the theory of friction and the crowning of tracks.
| Identifier | ExFiles\Box 170\2\ img276 | |
| Date | 29th May 1935 | |
| -2- HA/PJH.24/KW.29.5.35. We should be very grateful if you could tell us whether there is anything in our theory re the friction and whether the crowning of the tracks is necessary, and if so, to what extent. Thanking you in anticipation, We are, Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||