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 the performance of a 'Tecalemit' oil filter, plotting delivery through the relief valve against inlet pressure at different temperatures.
| Identifier | ExFiles\Box 135\3\ scan0047 | |
| Date | 17th March 1932 | |
| "TECALEMIT" OIL FILTER. DELIVERY THRO' RELIEF VALVE IN RELATION TO INLET PRESSURE. MAIN DELIVERY PORT BLANKED. DELIVERY THROUGH RELIEF VALVE G.P.H. PRESS IN FILTER LB/□" INLET. 80°C 20°C. | ||