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 drawing for a 20 H.P rear shock damper.
| Identifier | ExFiles\Box 47\5\ Scan223 | |
| Date | 13th December 1928 guessed | |
| A F74879 F74896 20 H.P REAR SHOCK DAMPER 4 5 6 7 8 9 | ||