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).
Graph from installation tests showing the effect of airspace in cylinder jackets on water displaced.
| Identifier | WestWitteringFiles\V\December1930-February1931\ Scan182 | |
| Date | 5th January 1931 | |
| INSTALLATION TESTS EFFECT OF AIRSPACE IN CYL JACKETS ON WATER DISPLACED GALLS TEMP °C TAKEN AT HEADER TANK STATIC LEVEL FURY TANK FURY HART STATIC LEVEL HART TANK TAG 5-1-31 CURVE 2/2F | ||