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).
Blueprint drawing of oil jets for cylinders.
| Identifier | WestWitteringFiles\T\2July1929-December1929\ Scan051 | |
| Date | 31th January 1929 | |
| Hs.{Lord Ernest Hives - Chair} 228 OIL JETS FOR CYLINDERS - S.S. THIS JET FOR ALL CYLS EXCEPT NO. 1; BANJO UNION AS SAMPLE SUPPLIED. .900" 1.175 SAWCUT SIDE OF PISTON Tch. 31/1/29 | ||