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 noting a design flaw where a rubber bulb works loose from a barrel, suggesting a locking arrangement.
| Identifier | ExFiles\Box 44\5\ Scan068 | |
| Date | 19th November 1923 guessed | |
| -2- Contd. (13) With use the rubber bulb gradually worms its way out of the barrel and if not noticed is liable to allow the barrel and float to drop and breaking the glass float. Therefore some locking arrangement seems necessary. EFC/GJ. | ||