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).
Standard production graph showing governor lag for chassis 46 N.C.
| Identifier | ExFiles\Box 66a\1\ scan0151 | |
| Date | 27th October 1926 | |
| GOVERNOR LAG. (Chassis 46 N.C.) STANDARD PRODUCTION. ENGINE R.P.M. 1500 1250 1000 750 500 250 0 NOTCHES ON QUADRANT 0 5 10 15 20 25 30 DOWN UP 27.10.26 | ||