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).
Blueprint of a 5-inch DL Dome Jack.
| Identifier | ExFiles\Box 48\1\ Scan058 | |
| Date | 25th November 1932 | |
| 7 1/4 LIFT 12 1/4" 5" 4 3/4 x 2 7/8 5" DL DOME JACK. M.1706. Clover Ellis Ltd GRB 25/11/32 JR {Mr James Royce} | ||