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. Carburetter Co. requesting the manufacture of two new pairs of carburettor needles with modified measurements.
| Identifier | ExFiles\Box 31\5\ Scan138 | |
| Date | 1st February 1934 | |
| Exptl. Dept. Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation}5/KW. 1st February, 1934. The S.U. Carburetter Co., East Works, Adderley Park, BIRMINGHAM, 8. Dear Sirs, Thank you for the needles XB and XC. Will you please make a further two pairs of needles to the following measurements, which are a slight modification of the above - 1 2 3 4 5 6 7 8 9 10 11 12 13 .100 97.5 94.5 88.5 83.0 80.0 78.0 76.0 74.0 72.0 70.5 69.0 67.5 .100 97.5 95.0 89.0 83.5 80.5 78.5 76.5 74.5 72.5 71.0 69.5 68.0 measured in thous' of an inch at intervals of .125 from the shoulder of the needle. Yours sincerely, FOR ROLLS-ROYCE LIMITED. | ||