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).
Request to measure and chalk test Aerolite pistons from Y4BB and B-4 units.
| Identifier | ExFiles\Box 86\2\ scan0259 | |
| Date | 20th September 1934 | |
| x 236 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews}28/KW.20.9.34. Aerolite Pistons. Will you please make a chart of dimensions in the usual manner of the pistons of Y4BB unit at present in the shop, these pistons are marked B.3. Will you also chalk test and make chart of pistons recently removed from B-4 unit, these pistons are marked B.2. Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews} | ||