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).
Connection diagram for high-tension direct current insulation tests using a trembler coil and rectifying valve.
| Identifier | ExFiles\Box 41\2\ Scan060 | |
| Date | 29th April 1927 | |
| INTERMITTENT POSITIVE H.T. MAIN. R.R. TREMBLER COIL. H.T + C - E SWITCH BATTERY H.T. RECTIFYING UNIT H.T ~ + B- F- D DIAGRAM OF CONNECTIONS FOR H.T.D.C. TESTS OF INSULATION WITH TREMBLER COIL & H.T. RECTIFYING VALVE H.T.D.C. MAIN. DATUM CONDUCTOR. H.T. CONDENSER (.3 MICROFARAD) WITH SAFETY GAP. CALIBRATED H.T. SPARK GAP. M.A. MILLIAMMETER WITH SHUNTED CONDENSER. INSULATION UNDER TEST (DIAGRAMMATIC) EARTH E.P.C | ||