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).
Blueprint showing a cross-section of a Lovejoy Delay Action Damper.
| Identifier | WestWitteringFiles\Q\2-July1927-September1927\ 19 | |
| Date | 7th May 1927 guessed | |
| LOVEJOY DELAY ACTION DAMPER. LOW PRESSURE VALVE. HIGH PRESSURE VALVE. LOW PRESSURE VALVE IS COMPLETELY COVERED .780° FROM CENTRE OF STROKE OF POSITION. 10.65 2.90 m/m | ||