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 strip and rebuild a failed Ph.III oil cooler matrix using high-temperature solder.
| Identifier | ExFiles\Box 131\1\ scan0148 | |
| Date | 12th November 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} X 1114 Hs{Lord Ernest Hives - Chair}/Std.14/KW.12.11:35. We send you herewith a Ph.III oil cooler matrix which has failed at a pressure of 100 lbs/sq.in. at 130°C. Will you please strip and rebuild this cooler, using a suitable high temperature solder, so that it retains its strength at high temperatures. Hs{Lord Ernest Hives - Chair}/Std. | ||