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 Wellworthy Piston Rings Ltd. confirming the correct amount of magnesium to add to a melt.
| Identifier | ExFiles\Box 115\5\ scan0132 | |
| Date | 23th September 1938 | |
| 1020a Rm.{William Robotham - Chief Engineer}1/MH.{M. Huckerby} Messrs. Wellworthy Piston Rings Ltd., Lymington, HANTS. 23rd. September 1938. For the attention of Mr.Blackith. Dear Sirs, In reply to your letter of 20th. September, we confirm that the information given to you by Mr.Richards with regard to adding 1 1/2 ozs. of magnesium to each 100 lbs. of melt to cover magnesium loss, is correct. Yours faithfully, for ROLLS-ROYCE LTD. | ||