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 12 test pieces of Mirallite sent to Mr. Purdon.
| Identifier | ExFiles\Box 37\4\ scan 109 | |
| Date | 17th May 1917 | |
| Mr. Clark. X. 3040 EB 17.5.17. 12 test pieces of Mirallite sent to Mr. Purdon. 6 tensile X. 3039 3 Upton-Lewis X.30 40. 3 Stantom X. 3041 Stamped M 2. (Sgd) A.{Mr Adams} K.{Mr Kilner} R.R. 255 B (500 T) (S.C. 338, 15-8-16) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1547. | ||