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).
Hand-drawn schematic of two alternative mechanical linkage and spring-loaded piston assemblies.
| Identifier | ExFiles\Box 38\4\ Scan086 | |
| Date | 28th April 1925 guessed | |
| SCHEME I. E71666 ALTER FROM 1.00" TO .800" A E71670 ALTERED FROM 1.25" TO. 2.00" ALTERNATIVE SCHEME SLIDING BRASS PISTON SOLDER SPRING SIMILAR TO E11434 ONLY FREE LENGTH 7.00", SET UP IN THIS CASE TO 6.000". CASE AS LIGHT AS POSSIBLE INSIDE DIA TO SUIT SPRING SCREWED | ||