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).
Page of test procedures for an actuator box and combined main switch/relay switch unit.
| Identifier | ExFiles\Box 64\3\ scan0155 | |
| Date | 19th August 1926 guessed | |
| -2- Contd. (5) Whilst still warm from test (4) an alternating voltage of 205 shall be applied, through a lamp between the windings and the casing for one minute without breakdown. (6) The final test of the actuator box is as described in Section III of the Specification of Production Inspection, Adjustment and Test of the Combined Main Switch and Relay Switch Unit. EFC. | ||