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).
List of new incorporated springs and their part numbers.
| Identifier | ExFiles\Box 77\5\ scan0059 | |
| Date | 24th June 1927 guessed | |
| contd :- -5- of the unit. The new springs incorporated are :- D.{John DeLooze - Company Secretary} 51545 - Engagement spring. D.{John DeLooze - Company Secretary} 51546 - Disengaging spring. D.{John DeLooze - Company Secretary} 51544 - Damping spring. z Hs{Lord Ernest Hives - Chair}/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} W. Hancock. | ||