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).
Request to S.U. Carburettor Co. Ltd. for the supply of four types of carburettor needles with specified dimensions.
| Identifier | ExFiles\Box 121\3\ scan0067 | |
| Date | 12th March 1940 | |
| 1081 Experimental Dept., Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}18/ML. 12.3.40. The S.U.Carburettor Co.Ltd., Best Works, Adderley Park, Birmingham. Dear Sirs, Will you please supply two pairs each of the following four needles, and stamp suitable identification numbers on same. Dimensions in 'thou. of an in. at intervals of .125 from the shoulder. 1. 2. 3. 4. 5. 6. 7. 8. 84.5 82.00 77.5 75.00 72.5 69.7 66.8 64.3 84.5 82.00 78.00 75.5 73.00 70.5 68.00 65.00 86.00 81.3 79.00 76.8 75.00 73.00 71.5 69.7 86.00 81.3 79.3 77.5 75.5 73.7 72.5 70.7 9. 10. 11. 12. 62.00 60.00 57.7 55.5 63.5 61.00 59.00 57.00 68.00 66.5 65.00 63.00 69.5 68.00 66.5 65.00 Yours faithfully, for ROLLS ROYCE.LTD., | ||