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).
Record of performance tests conducted on the Montlhery track for plug type X.306 Lodge.
| Identifier | ExFiles\Box 1\4\ B001_X 100a-page129 | |
| Date | 8th December 1932 | |
| (2) TESTS ON MONTLHERY TRACK. 8.12.32. 2.ER.II. Type of Plug - X.306 Lodge. | LAPS. | MINS SECS. | M.P.H. | TEMP. | |---|---|---|---| | | | | AIR. | OIL | WATER. | | 1 | 1.26 3/5 | 65.8 | 3 | 92 | 80 | | 2 | | | | 100 | 78 | | 3 | 1.26 | 66.2 | | 101 | 76 | | 4 | | | | 102 | 78 | | 5 | 1.25 2/5 | 66.7 | 4 | 109 | 78 | | ||