Blueprint detailing various machining operations on a component.
| Identifier | ExFiles\Box 175\3\ img233 | |
| Date | 21th October 1940 | |
| ROLLS-ROYCE LTD., PRINT ROOM, 21 OCT 1940, DERBY., 2ND DRAW BORE, OPN. 10 - 2ND. DRAW BORE., 4 POINT ADAPTOR, 4 JAW CHUCK, 2.875 DIA. -.5, OPN. 13 - DRAW REAM., 4.125 DIA., OPN. 25 - RIFLING., 4 POINT RUNNING STEADY, 4.160 DIA. -.5, OPN. 13 DRAW REAM, 4 POINT ADJUSTABLE INDEXING ADAPTOR, 3.750 DIA. -.10, OPN. 25 RIFLING, C.L./M. 20.10.40 | ||
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).