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).
Diagram showing modifications to a Bijur pump to prevent oil from reaching passengers.
| Identifier | ExFiles\Box 27\1\ Scan302 | |
| Date | 29th October 1929 | |
| MODIFICATIONS TO BIJUR PUMP TO PREVENT OIL REACHING PASSENGERS., HOLES TO ATMOSPHERE, SMALL ALUM. BAFFLE, MOULDED LEATHER WASHER, FILED TO MIN ADAPTOR, OIL LEVEL (COLD), EXPERIMENTAL DRAWING OFFICE, R.R. LTD, HUC 1, 29 OCT 1929, DERBY, Jan 16/9/4 | ||