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 detailing connecting-tube lubrication tests and modifications for 20 HP rear dampers.
| Identifier | ExFiles\Box 5a\2\ 02-page254 | |
| Date | 27th May 1932 | |
| [ "20 H.P. REAR DAMPERS", "CONNECTING-TUBE LUBRICATION TESTS", "BALL PIN, INDEX AND MODIFICATION", "ROCK 41/32"", "FLATS ON SIDES", "A", "B", "C", "D", "27 MAY 32", "DERBY" ], | ||