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).
Laboratory photomicrograph of 'Millenite' at 150 diameters magnification.
Identifier | ExFiles\Box 120\1\ scan0334 | |
Date | 20th June 1935 | |
R.R. 403 (5m) (84259 20-6-35) J.H., Ltd. ROLLS-ROYCE LTD. LABORATORY. PHOTOMICROGRAPH NO. A1321 MAGNIFICATION: 150 DIAMETERS. 'Millenite' Spec. No. 64 M1081 | ||