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).
Fixed leak and a variable form of leak for experimental work.
| Identifier | ExFiles\Box 56\1\ Scan102 | |
| Date | 24th March 1931 | |
| Da {Bernard Day - Chassis Design} /Hdy {William Hardy} 1/M24.3.31 contd. -2- A fixed leak is provided but we also show a form of leak which lends itseld to the ready variation which is needed in experimental work. Da {Bernard Day - Chassis Design} /Hdy. {William Hardy} | ||