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).
Engine oil temperature readings after a period of good running.
| Identifier | ExFiles\Box 16\1\ Scan014 | |
| Date | 21th July 1911 | |
| Engine:- Engine oil temperature. X740 3500 21/7/11 After good running. Temp: of water 90°c Oil in base 118°c, at 3 way union i.e. entering crank shaft 38°c. Temp: of water 100°c. Oil in base 57°c, at 3 way union 48°c. see report in Expr Book. Taken by Peat 21/7/11 RD Sheet filed under M.{Mr Moon / Mr Moore} in File. 21/7/11 | ||