Blueprint of a fuel tank with a filler neck, internal float mechanism, and outlet valve.
| Identifier | ExFiles\Box 61\3\ scan0190 | |
| Date | 22th May 1921 | |
| 1 13/16" 1 5/16" SPILLING LEVEL OF FILLER. SH.204. 22-5-21 | ||
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).