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).
Instructions for tests on static induction effects with a metal tube on ignition wires.
| Identifier | ExFiles\Box 52\1\ Scan045 | |
| Date | 19th February 1925 | |
| RR 239 (100 BKS) (SHD7.29-6-20.) MP 224350 X8560 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.C. Order No. WA {Mr Wallis} 110 Customer's No. X 8560 X3714 19-2-1925 Tests for static induction effects with metal tube. Further to WA {Mr Wallis} 109 tests have been carried out with the Battery and Magneto ignition wires enclosed in a metal tube an exact replica in iron of the black fibre E.A.C tube. Tests were made firstly with the tube earth insulated, and secondly with the tube earthed, the procedure being exactly the same as stated in W.A.109. I. Tube insulated from earth With the Battery wires sparking and the magneto wires idle the maximum lengths of regular Signed contd This Sheet must be filed on completion of the work. | ||