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).
Separate experiment numbers for different brake liner materials to overcome noise issues.
| Identifier | ExFiles\Box 1\6\ B001_X2 Double Rear Brakes-page089 | |
| Date | 8th June 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr9/B8614 Re Double rear brakes overcoming noise trouble. X.2. Hy.{Tom Haldenby - Plant Engineer} By.{R.W. Bailey - Chief Engineer} Mr. Matthews 8/6/14. Mr. Mills. In order to keep the various brake liners separate that have been instructed for the above experiment, it has been decided to give separate I numbers for each material. We give below the numbers that have been issued. X. 1318 Brake Liners. Cast iron by Wm. Mills Ltd. X. 1319 " " Phosphor bronze, 5% lead. X. 1320 " " " 10% " X. 1321 " " drums lined with cast iron. X. 1322 " " Cast iron by the Brittania Foundry Company. X. 1323 " " Copper. p. Wor.{Arthur Wormald - General Works Manager} | ||