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).
Letter to John Marston Ltd. regarding radiator dissipation tests, modifications, and quotations for various components.
| Identifier | ExFiles\Box 150\3\ scan0200 | |
| Date | 6th July 1937 | |
| 1280 Experimental Department Rm {William Robotham - Chief Engineer} /Std.1/AP. July 6th 1937 Messrs John Marston Ltd., WOLVERHAMPTON. For the attention of Mr.Dunn and Mr.Smith Dear Sirs, This is to confirm the following points which were discussed with Mr.Dunn on the 2nd. inst. (1) You will carry out dissipation tests on the Ph.III. Mk.VI. .005/.003 matrix unit returned to you and let us have test figures as soon as possible, in order to check up on the loss in dissipation which we have found with this type of matrix. (2) We will return the Bentley radiator with dummy shutters to you as soon as possible and you will fit the modified stiffeners with strengthened attachment to shutter blades. (3) You will let us have your quotation for matrices to EW.1161 with side plates to EW.1178 in - (a) .006" tinned and .004" tinned construction. (b) .006" " " .004" untinned " (c) .005" " " .003" tinned " (d) .005" " " .003" untinned " (4) You will let us have your quotations for our Wraith radiator to the drawings supplied to you - the quotations to be for - (a) The inner radiator unit and yoke. (b) " " " " " and shell. (c) " " " " " and fixed shutters. (5) You will make up for us (free of charge) a shell for our Wraith radiator to the drawings which we have left you - the shell to be in mild steel chromium plated. continued | ||