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).
Request to issue an official order for a pattern and corebox for a relief valve casing.
| Identifier | ExFiles\Box 146\4\ scan0048 | |
| Date | 21th February 1940 | |
| 1246 G.6/W To: Rm{William Robotham - Chief Engineer} (Derby) Vs{J. Vickers}/C. 8/MF. 21.2.40 Chassis Will you please issue official order on Messrs. Pattern & Model Manufacturing Co. Harper Road, Coventry for the following Pattern and Corebox delivered to us. 1 First Class Mahogany Pattern 1 Corebox of Relief Valve Casing Drawing RE. 137 .. £ 6. 7. 6. Vs{J. Vickers}/C. | ||