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 of a modification for a 40/50 water pump, specifically showing spring-loaded asbestos rope glands.
| Identifier | WestWitteringFiles\Q\February1927-March1927\ 97 | |
| Date | 21th March 1927 | |
| LOADING SPRING 20 LBS ASBESTOS ROPE GLANDS - 40/50 WATER-PUMP MODIFICATION - - SPRING LOADED ASBESTOS ROPE GLANDS - ROLLS-ROYCE LTD. PRINT ROOM 21 MAR 1927 DERBY 21-3-27 | ||