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).
Blueprint detailing modifications for grinding an EB.500 piston to EB.495 specifications.
| Identifier | ExFiles\Box 86\2\ scan0063 | |
| Date | 7th September 1933 | |
| X11480 A EB.500 PISTON GROUND TO EB.495 DRG. MODIFIED AS SHEWN. AREA OF BEDDING REDUCED THUS OTHERWISE TO EB500 PISTON EB 495 MODIFns TO PISTON GRINDING EB500 ROLLS ROYCE. LTD. PRINT ROOM SEP 7 1933 DERBY. 3.230 -1 3.238 -1 3.2315 -2 3.243 -1/2 3.2425 -2 3.245 -1/2 1.000 2.250 2.500 | ||