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).
Cross-sectional diagram of a pump assembly, noting the filling cap, piston, and spring.
| Identifier | ExFiles\Box 179b\3\ img010 | |
| Date | 3rd January 1933 | |
| Hs.{Lord Ernest Hives - Chair} 808. FILLING CAP QUICK ASSY NOTE. ALL HOLES CLEARED WHICH OPERATES PUMP SIMPLY SPRING HOLDING PISTON OFF ITS SEAT. ROLLS-ROYCE LTD. DERBY WORKS REF. D.{John DeLooze - Company Secretary} 753 OPP. GHP 3.1.33 | ||