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 The S.U. Co. Ltd. requesting the supply of needles with detailed specifications.
| Identifier | ExFiles\Box 121\4\ scan0071 | |
| Date | 3rd October 1935 | |
| V 1487 Exptl. Dept. Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}20/KW. 3rd October, 1935. The S.U. Co. Ltd., East Works, Adderley Park, Birmingham 8. Dear Sirs, Will you please supply as soon as possible two dozen needles to S.V.8 and one dozen to S.V.9. The measurements are as follows, in thous. of an inch, at intervals of .125 from the shoulder, No. 1 being the top dimension. A limit of .002 is shown on the shoulder length, also on the taper length. Needle 1 2 3 4 5 6 7 8 9 10 11 12 S.V.8 85 85 79.2 75.4 73.4 71.7 70.3 69.1 67.9 66.8 65.6 64.5 S.V.9. 89.5 84.5 79.5 76.8 74.4 72.5 71.0 69.7 68.5 67.4 66.2 65 Yours faithfully, FOR ROLLS-ROYCE LTD. | ||