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).
Modification to a 2nd speed component, featuring a spherical seated washer, marked as not suitable for production.
| Identifier | ExFiles\Box 94\2\ scan0022 | |
| Date | 24th August 1936 | |
| NOT SUITABLE FOR PRODUCTION .010" - .015" CLEARANCE N SCH 4887 THIS SCHEME IS GENERALLY SIMILAR TO N SCH 4380. THE MODIFICATION CONSISTS IN THE FITTING OF THE BZ/PC SPHERICAL SEATED WASHER. .010" CLEARANCE ON DIA. BZ/PC CHAMFER CAMS THUS. SPHERICAL RAD. ROLLS-ROYCE, LTD. PRINT ROOM, 24 AUG 1936 DERBY. HB{C. E. Harcombe} 24.8.36. MODIFICATION TO SCALE 1/1 2ND SPEED PHAN III | ||