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).
Letter to Messrs. Smith & Sons Ltd. providing the normal working pressure corresponding to a specific flow rate and temperature.
| Identifier | ExFiles\Box 135\3\ scan0129 | |
| Date | 30th September 1936 | |
| X1139 Exptl. Dept. Hs{Lord Ernest Hives - Chair}/Std.16/JH. 30th September, 1936. Messrs. Smith & Sons Ltd., Cricklewood Works, LONDON. N.W.2. For the attention of Mr. Grose. Dear Sirs, We regret that we omitted to give you the normal working pressure corresponding to a flow of 9 gallons/minute at 80°C. This would be approx. 50-60 lbs./sq.in. Yours faithfully, FOR ROLLS-ROYCE LTD. | ||