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 showing a modification to a shock damper valve.
| Identifier | ExFiles\Box 105\3\ scan0250 | |
| Date | 14th June 1932 | |
| 14-6-32 2 GROOVES .025 WIDE .075 DEEP. UNDERCUT .150 WIDE. .329 DIA +25 +5 1.125 -10 .185 DIA .055 DIA 2 HOLES .055" DIA .050 BLANK .012" (26SWG) SWEATED IN .514 DIA MODIFICATION TO F58789 SHOCK DAMPER VALVE ROLLS-ROYCE, LTD. PRINT ROOM 6 JUL 1932 DERBY. HS{Lord Ernest Hives - Chair}657 | ||