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).
Performance graph comparing the B.M.E.P. of a B.80 engine and a 12 Cylinder Lagonda engine.
| Identifier | ExFiles\Box 170\1\ img076 | |
| Date | 30th June 1940 guessed | |
| 12 CYL LAGONDA A THESE CURVES REPRESENT A DIRECT COMP-ARISON BETWEEN B.80 AND 12 CYL LAGONDA.. B.M.E.P. MEAN PIS CURVE LABELS: A, B, C Y-AXIS VALUES: 120, 110, 100, 90, 80, 70 X-AXIS VALUES (MULTIPLE SCALES): 4000, 3000, 2000, 1000 3000, 2000, 1000 2500, 2000, 1500, 1000, 500, 0 | ||