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 regarding the dispatch of 30 stamped test pieces to Mr. Purdon.
| Identifier | ExFiles\Box 37\4\ scan 110 | |
| Date | 19th May 1917 | |
| To Mr. Clark. X. 3040 19.5.17. X. 3039 X. 2746 X. 3040 30 test pieces sent to Mr. Purdon. 9 stamped M1 9 " P1 12 " P2 (Signed) A.K. | ||