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).
Technical drawing of a square matrix tube.
| Identifier | WestWitteringFiles\U\August1930-November1930\ Scan086 | |
| Date | 11th September 1930 | |
| TUBES TO BE ANNEALED BY THE SUPPLIERS AGAINST SEASON CRACKING ONLY. LENGTH OF TINNING. APPROX. WT. PER LB = .134. DEBURR INSIDE. EACH TUBE TO BE TESTED TWICE & NOT BY THE SAME OPERATIVE, FIRST BEFORE BULGING, SECONDLY AFTER BULGING, BY AN AIR PRESSURE OF 15 LBS PER SQ. INCH. THE TUBES BEING IMMERSED IN WATER ON EACH TEST FOR A PERIOD OF NOT LESS THAN 5 SECONDS. SCALE 2/1. HEAT TREAT. TITLE: MATRIX TUBE. MATERIAL: BRASS. SPEC'N No: 2151. REPLACE ALL COPIES TO. EXP PATT. WORKS FORGE. T.O. S.R. D.O. R.{Sir Henry Royce} R.D. AMERICA. T.D. COST. | ||