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).
Large gauze disc for filling to avoid using a smaller, easily lost filter.
| Identifier | ExFiles\Box 55\3\ Scan079 | |
| Date | 2nd March 1926 guessed | |
| contd :- -2- Could we afterwards try a large gauze disc under- neath, and fill from a stand pipe through it from the under side. Do not have a fussy little filter that would get left behind, or lost. R. {Sir Henry Royce} | ||