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).
The performance of Dermatine washers for water pipe joints.
| Identifier | ExFiles\Box 76\4\ scan0042 | |
| Date | 26th January 1914 | |
| From Exp. Dept. Copies for: J.{Mr Johnson W.M.} R.{Sir Henry Royce} E.{Mr Elliott - Chief Engineer} Na.{Mr Nadin} Wor{Arthur Wormald - General Works Manager}/Ell/L26114. January 26th. 1914. Report on Dermatine Washers for Water Pipe Joints. X.916. These seem to be made of a composition of rubber and graphite. We have had them on the test engine and find that it is possible to break the joint and use them again without getting water leaks. In this respect they are an improvement over standard. | ||