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).
Calibration chart for a Goshawk engine petrol tank.
| Identifier | ExFiles\Box 44\2\ Scan048 | |
| Date | 18th February 1937 | |
| 5.400, STANDARD FITTINGS, F50983, PETROL TANK CALIBRATION [GOSHAWK], F54711, GALLONS, 1/2 GALLONS, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 11.675, 10.550, 9.720, 8.900, 8.125, 7.400, 6.640, 5.875, 5.200, 4.325, 3.750, 2.950, 2.150, 1.950, 1.762, 1.675, 2.575, 3.340, 4.125, 4.850, 5.550, 6.280, 6.950, 7.720, 8.525, 9.300, 10.120, 11.125, ROLLS ROYCE LTD., 18 FEB 1937, DERBY | ||