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 drawing of a small mechanical component with dimensions.
| Identifier | ExFiles\Box 168a\3\ img390 | |
| Date | 20th May 1937 | |
| .610 DIA. .025 RAD. +.010 -.00 .750 +.010 -.00 .020 .120 +.003 -.000 DRILL .285 DIA. TER MOTOR MATL: S/N ROLLS-ROYCE LTD. PRINT ROOM. 20 MAY 1937 DERBY. FL.426. | ||