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).
Back pressure tests on the existing 25 HP J.I. exhaust system.
| Identifier | ExFiles\Box 6\7\ 07-page128 | |
| Date | 9th June 1931 | |
| Y5230. To Da.{Bernard Day - Chassis Design} From Hg/Rn.{Mr Robinson} c. to SG.{Arthur F. Sidgreaves - MD} Gor. c. to HY.{Tom Haldenby - Plant Engineer} Ha/Rn.{Mr Robinson}9/KT.9.6.31. J.I. EXHAUST SYSTEM. We send you herewith some back pressure tests which have been made on the existing 25 HP. exhaust system. Ha/Rn.{Mr Robinson} | ||