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).
Improved form of brake lining from Creswell of Bradford with a coefficient of friction of .45.
| Identifier | ExFiles\Box 26\4\ Scan267 | |
| Date | 6th May 1925 | |
| ~~DY.{F R Danby}~~ from ROY.{Sir Henry Royce} c. to Hs.{Lord Ernest Hives - Chair} ---------------- X3409 ROY{Sir Henry Royce}13/MG6.5.25. ---------------- Creswell, of Bradford advise they have recently brought out what they consider an improved form of Brake Lining, in which the coefficient of friction is .45 Would you care to test out samples, or have further information? ROY{Sir Henry Royce} [Signature] | ||