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).
Two laboratory photomicrographs, numbers A591 and A592, at 1,000 diameters magnification.
Identifier | ExFiles\Box 67a\2\ scan0126 | |
Date | 29th March 1927 | |
RR 403 (2½H) (DE 879 29-3-27) G3608 ROLLS-ROYCE LTD. LABORATORY. PHOTOMICROGRAPH No. A591 MAGNIFICATION: 1,000 DIAMETERS. RR 403 (2½H) (DE 879 29-3-27) G3608 ROLLS-ROYCE LTD. LABORATORY. PHOTOMICROGRAPH No. A592 MAGNIFICATION: 1,000 DIAMETERS. | ||