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).
Specifications for Front Shock Dampers to LOP F.57908.
| Identifier | ExFiles\Box 169\4\ img003 | |
| Date | 29th September 1932 | |
| (3) RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/MS29.9.32. Front Shock Dampers to LOP. F.57908. 20/25 HP. Split Piston type. One .032 dia. hole in each H.P. Valve. Loads set. L.P. 90 lbs. H.P. 115 lbs. RHC{R. H. Coverley - Production Engineer}/W.C. | ||