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).
Graph proposing combined automatic and hand timing for a 40/50 HP 6-cylinder motor.
| Identifier | ExFiles\Box 48\2\ Scan189 | |
| Date | 11th March 1926 guessed | |
| degr. 60 50 40 30 20 10 0 0 500 1000 1500 2000 2500 3000 rPm 20° Hand Timing 35° Automatic Timing SCINTILLA SOCIETE ANONYME C 71222 SOLEURE Proposition for an AG6-A with combined Automatic and Hand Timing for Messrs Rolls Royce Ld. Derby to a 40/50 HP 6 Cyl. Motor | ||