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).
Graph showing results from petrol pump tests, comparing the reduction of filter volume and the use of a smaller diameter pipe line.
| Identifier | ExFiles\Box 17\5\ Scan151 | |
| Date | 28th June 1932 | |
| LEC 2961 PETROL PUMP TESTS REDUCTION OF FILTER VOLUME & SMALLER DIA: PIPE LINE 5/16" PIPE 80 c.c. FILTER & TAP 1/4" PIPE 80 c.c. FILTER & TAP 1/4" PIPE & 14 c.c. FILTER PTS/HR. R.P.M. PUMP | ||