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 from Wellworthy Piston Rings Ltd. discussing potential failures in casting, material or physical properties.
Identifier | ExFiles\Box 148\1\ scan0326 | |
Date | 26th May 1941 | |
JH/KES - 2 - 26th May, 1941. whether there is any failure in casting technique, or material, or whether this is just a question of failure due to lack of physical properties. Yours sincerely, John Howlett Managing Director. WELLWORTHY PISTON RINGS LTD. | ||