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).
Excerpt from meeting minutes regarding a patent application for a pneumatic suspensory device.
| Identifier | ExFiles\Box 15\6\ Scan014 | |
| Date | 1st December 1911 | |
| 91st Meeting Patent Application. Dec. 1. 11. With reference to the pneumatic suspensory device with the addition of oil contained in the suspensory cylinders Mr. Barrington will proceed with the application as soon as possible. X728 | ||