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).
To Mr. Clark confirming the dispatch of stamped test pieces to Mr. Purdon.
| Identifier | ExFiles\Box 36\3\ scan 099 | |
| Date | 30th June 1917 | |
| Mr. Clark. X.3039 30.6.17. X 12 test pieces sent to Mr. Purdon stamped A 9 ". " " " " " " L. X. 2746 X. 3039 X. 3040 (Sgd) A.K R.R. 135 B (S.D. H) 442. 9-6-17) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1966 | ||