Blueprint drawing of a Lovejoy Delay Action Damper.
| Identifier | ExFiles\Box 28\1\ Scan107 | |
| Date | 19th July 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. 90° 2.25 | ||
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).