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).
Continued memo detailing the modification of dies to reduce machining on spanner heads.
| Identifier | ExFiles\Box 20\8\ Scan041 | |
| Date | 14th June 1923 | |
| BY12-P14.6.23. contd. - 2 - the spanner head down to a closer limit than .045" we will arrange to do this on all spanners produced from the first set of dies, and on further orders will have the dies modified to reduce the amount of machining or grinding shewn on the spanner head. BY.{R.W. Bailey - Chief Engineer} | ||