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).
Investigation into an oil leak from the crank chamber joints, resolved by fitting a paper joint.
| Identifier | ExFiles\Box 16\1\ Scan005 | |
| Date | 6th May 1926 | |
| Oil leak crank chamber 1400 Found oil leaked thro. crank chamber joints, plain machined fittings, fixed paper joint, which stopped leak, commenced 60526. X740 | ||