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).
Assessment for the standardization of parts for the Phantom III, noting zero tool cost.
| Identifier | ExFiles\Box 171\2\ img289 | |
| Date | 10th April 1939 | |
| PHANTOM III STANDARDIZATION OF PARTS Estimated tool cost nil. Could be brought on to production at the 1st. chassis in "E" series (without scrap). TABLE COLUMNS: MATERIAL £ s d LABOUR £ s d CHARGES £ s d TOTAL £ s d TABLE OF APPROVALS: INITIAL | DATE | REMARKS DC | 11.4.39 | Passed SH | 11.4.39 | all passed C | 12.4.39 | passed E | 13.4.39 | passed AG | 18.4.39 | do passed YB | 18.4.39 | do passed EB | 19.4.39 | passed RHC{R. H. Coverley - Production Engineer} | 19.4.39 | D.M.C passed XM | 19.4.39 | do passed MR | 19.4.39 | all passed | ||