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).
Requesting blueprints and the production of a Zenith Filter and associated parts for an experimental Phantom Chassis.
| Identifier | ExFiles\Box 44\1\ Scan176 | |
| Date | 23th November 1927 | |
| c. Rs{Sir Henry Royce's Secretary}/Rm.{William Robotham - Chief Engineer} X3700 BY/HEB{H. Biraben}10/M.23.11.27. PHANTOM CHASSIS. ZENITH FILTER. Further to our memo BY/HEB{H. Biraben}9/M.19.11.27, kindly receive one blue print of each of the following:- F.77992 Fixing Plate for Zenith Filter. 1 off. F.77993 Petrol Pipe (Autovac to Zenith Filter) 1 " F.77994 (Zenith Filter to Carburetter) 1 " Kindly produce and fit on Experimental Chassis. BY/HEB{H. Biraben} | ||