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).
The ineffectiveness of ventilation in reducing noise or preventing the burning of contact breaker points.
| Identifier | ExFiles\Box 65\3\ scan0359 | |
| Date | 18th April 1929 guessed | |
| -2- but the amount of ventilation provided appears so far to have made very little difference either in noise or in its effect on the burning away of the contact breaker points. E.F.C. EFC. | ||