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} | ||
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).