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).
Dispatch of nine stamped test pieces to Mr. Purdon.
| Identifier | ExFiles\Box 37\4\ scan 111 | |
| Date | 24th May 1917 | |
| Mr. Clark X. 3040 24.5.17. 9 test pieces sent to Mr. Purdon, stamped H.{Arthur M. Hanbury - Head Complaints} X. 2746 X. 3039 X. 3040 R.R. 225 B. (200 T.) (S.C. 336. 15-2-16) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1547. | ||