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).
Illustrations of two types of filters, 'Bentley' and 'Silver Ghost', used during oil pump priming tests.
| Identifier | ExFiles\Box 149\2\ scan0111 | |
| Date | 17th August 1935 | |
| "BENTLEY" TYPE FILTER - F55885 "SILVER GHOST" OR "ROOF" TYPE FILTER ILLUSTRATING TYPES OF FILTER USED DURING LEC4288 OIL PUMP PRIMING TESTS. ROLLS-ROYCE, LTD PRINT ROOM AUG 22 1935 DERBY. 17-8-35 M.B. | ||