Hand-drawn diagram of an SU petrol pump and filter assembly.
| Identifier | ExFiles\Box 82\1\ scan0218 | |
| Date | 21th August 1933 guessed | |
| SU PETROL PUMPS & FILTER ASSEMBLED IN ONE UNIT ON BACK PLATE OF STEEL 5/16" PIPING USED THROUGHOUT PASSAGES IN TAP OPENED OUT TO .250" | ||
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).