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 for an extra replenishing valve housing.
| Identifier | ExFiles\Box 99\3\ scan0135 | |
| Date | 16th March 1939 | |
| [ "BIL 85T", "1.450" +10", "1.000" +10", ".182" DIA", ".437" DIA +0", ".375" DIA +5", "EXTRA REPLENISHING VALVE HOUSING", "MATERIAL S/M - 2 OFF", "SCALE 2/1", "ROLLS-ROYCE LTD.", "PRINT ROOM", "MAR 16 1939", "DERBY" ], | ||