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 showing the calibration curve for Brass Constantan thermo-couples.
| Identifier | ExFiles\Box 179b\2\ img244 | |
| Date | 20th December 1932 | |
| CURVE N°1 CALIBRATION OF BRASS CONSTANTAN THERMO-COUPLES MAX ERROR 2°C DIFF. IN TEMP. OF JUNCTIONS OF THERMO-COUPLE °C GALVANOMETER READING T.P. DEPT 20.12.32 | ||