Request for the chemical analysis of 8 cast iron rings, with one undergoing a full analysis and the others checked for consistency.
| Identifier | ExFiles\Box 148\1\ scan0282 | |
| Date | 9th November 1940 | |
| /1258 ↑ To HL/BPS. from Rm {William Robotham - Chief Engineer} /MHR. {M. H. Rigby} Rm {William Robotham - Chief Engineer} /MHR. {M. H. Rigby} 2/ET.9.11.40. Will you please analyse the 8 cast iron rings handed to you on 8.11.40 by Rm {William Robotham - Chief Engineer} /MHR. {M. H. Rigby} One of the rings to have a complete analysis , the others to be checked to see that they are the same. Rm {William Robotham - Chief Engineer} /MHR. {M. H. Rigby} | ||
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).