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).
Hand-drawn and colored diagram of a fuel piping system with a filter and tap.
| Identifier | ExFiles\Box 82\1\ scan0226 | |
| Date | 26th August 1935 guessed | |
| to ignition switch 5" 5/16" piping -> 1/4 piping may be used here from tank but passages in tap must be a 1/4" dia | ||