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).
Circuit diagram for a High Tension Rectifying Unit used for H.T.D.C tests of insulation.
| Identifier | ExFiles\Box 41\2\ Scan058 | |
| Date | 29th April 1927 guessed | |
| DIAGRAM OF HIGH TENSION RECTIFYING UNIT FOR H.T.D.C TESTS OF INSULATION. H.T. INPUT A.C. OR IMPULSIVE POSITIVE VOLTAGE. RECTIFYING VALVE. OUTPUT POSITIVE D.C. 6 VOLT BATTERY B- FIL: RES. F- LINK RESERVOIR CONDENSER. DATUM OR EARTH TERMINAL. D | ||