The addition of tungsten contacts to the L.H. chassis backing light switch.
| Identifier | ExFiles\Box 168a\2\ img007 | |
| Date | 29th May 1930 | |
| X6029. By. {R.W. Bailey - Chief Engineer} from Da. {Bernard Day - Chassis Design} c. Sg. {Arthur F. Sidgreaves - MD} Hs. {Lord Ernest Hives - Chair} Da {Bernard Day - Chassis Design} 4/M29.5.30. X.7772 X.6029. L.H. CHASSIS BACKING LIGHT SWITCH. We send herewith N.sch.3113. shewing the addition of ignition type tungsten contacts to the backing light switch inaccordance with R's instructions. In a short while we shall send you a drawing shewing the adaptation of this switch to the stop light. Da. {Bernard Day - Chassis Design} | ||
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).