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 discussing permissible modifications for Ulster and recommendations for Duron brake linings.
| Identifier | ExFiles\Box 90a\2\ Scan027 | |
| Date | 12th June 1934 | |
| 53, BERKELEY COURT, N.W.1. WELBECK 5010. June 12th/34. Dear Robotham, At last here is the letter, which I think will put your mind at rest as regards permissible modifications for Ulster. I should like to have your idea as to which brake liners you are deciding on. I am sure that you will have doubtless tried out Duron brake linings, but if you hadn't I can only give you my own experience, which has proved to be well in | ||