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 to test an ignition coil on an experimental car to try and reproduce a failure.
| Identifier | ExFiles\Box 46\3\ Scan206 | |
| Date | 29th June 1920 | |
| ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. Customer's No. cause a breakdown under ordinary running conditions. The coil functioned satisfactorily for 4 hrs under normal running conditions, sparking regularly at 6.5 mm gaps. (running current 1.02 amperes) BY {R.W. Bailey - Chief Engineer} /RD wishes us to fit this coil to an experimental car to try if possible to reproduce that failure. If the coil works satisfactorily it would be interesting to have a copy of "N" Dept's report re electrical equipment. Signed H.E.W This Sheet must be filed on completion of the work. | ||