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).
Lamp voltages and the design of a vibrator regulator and cutout.
| Identifier | ExFiles\Box 31\1\ Scan062 | |
| Date | 25th June 1920 | |
| Contd. -2- RS{Sir Henry Royce's Secretary}/G25.6.20. lower. Upon these lines it might be advisable to have the head lamps suitable for 13 or 14 volts and side and tail lamps suitable for 15 or 16 volts. As soon as we get time here we set out the design of the vibrator regulator and cutout combined, so that you can have a few made in the experimental department, and test different proportions of winding as you suggest. R.{Sir Henry Royce} | ||