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 from a supplier regarding an enquiry for steel tubing, detailing standard tolerances.
| Identifier | ExFiles\Box 152\2\ scan0151 | |
| Date | 4th July 1939 | |
| 1293 CONTRACTORS TO THE WAR OFFICE, AIR MINISTRY & ADMIRALTY ACCLES & POLLOCK, LTD TELEGRAMS AND CABLES: ACCLES OLDBURY TELEPHONE: BROADWELL 1500 EXTENSION No. 203 MAKERS & MANIPULATORS OF SEAMLESS STEEL TUBES STAINLESS STEEL TUBES COLD ROLLED METAL SECTIONS CODES: 5TH EDITION A.B.C. BENTLEYS & MARCONI. BENTLEYS SECOND. OLDBURY . BIRMINGHAM YOUR REF: Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}8/MH{M. Huckerby} DATE: 4th July 1939 PLEASE QUOTE THIS REFERENCE: S.2/BS{A J. Barnes - Assistant Manager} Messrs. Rolls-Royce Ltd., DERBY. Dear Sirs, Experimental Dept. We thank you for your enquiry of yesterday's date, reference as above, regarding tubing 5/16" or 3/8" internal diameter x 6" long. Our standard tolerances for this size tubing is plus/minus .003" for the outside and inside diameters. We have no doubt that we could supply your requirements from stock but would ask you to kindly let us know what outside diameter would serve your purpose best. Yours faithfully, per pro ACCLES & POLLOCK, Limited. B. Holwerk AFM{Anthony F. Martindale} Limits not close enough. | ||