Order for XC3 needles from the S.U. Company for a 20/25 carburetter, including a table of needle dimensions.
| Identifier | ExFiles\Box 121\4\ scan0049 | |
| Date | 18th July 1935 | |
| To Roy. {Mr H. Royce - Buyer} X1467 Hs {Lord Ernest Hives - Chair} /Wym. {G. Harold Whyman - Experimental Manager} 17/KW.18.7.35. Order No. 54305. Will you please order from the S.U. Company Ltd., East Works, Adderley Park, Birmingham 8, 25. XC3 needles for our 20/25 Carburetter. These needles should be delivered direct to the undersigned. The dimensions of the needle are, in thous. of an inch, at intervals of .125". 1 .099" 2 .099" 3 .099" 4 .093" 5 .0885" 6 .0855" 7 .084" 8 .0835" 9 .083" 10 .0825" 11 .082" 12 .0815" 13 .081" 14 .0805". Hs {Lord Ernest Hives - Chair} /G.H.Whyman. | ||
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).