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).
Design status report for the P.V.XII 'C' engine, continued.
| Identifier | ExFiles\Box 30\3\ Scan051 | |
| Date | 19th January 1935 guessed | |
| (12) ITEM. DESIGN POSITION. P.V.XII "C" ENGINE (RAMP CYL.HEAD,ELECTRIC STARTER, V.P.AIRSCREW). - CONTINUED. Variable timing gun gear. In hand. Electric starting gear. In hand. Improved screening of ignition wires. In hand. .553 Reduction gear for use with V.P. airscrew. Completed. | ||