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).
Order of copper piping for Ph.II shock damper tests.
| Identifier | ExFiles\Box 16\5\ Scan209 | |
| Date | 4th July 1934 | |
| Roy{Sir Henry Royce}/Ms. c. to RHC.{R. H. Coverley - Production Engineer} x 7520 Hs{Lord Ernest Hives - Chair}/Les.9/KW.4.7.34. Will you please order 50 ft. of 16 S.W.G. 1/4" outside diameter Copper Piping, suitable to withstand 1000 lbs/sq.in. pressure. This is required for Ph.II shock damper tests. Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie} | ||