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).
Instruction sheet detailing the inspection and fault analysis of a returned coil.
| Identifier | ExFiles\Box 45\4\ Scan150 | |
| Date | 5th February 1923 | |
| R.R. 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 19 To Order No PB 82 (2). Customer's No. running on same for about half a minute; the breakdown being notified by the distinct sound of sparks passing inside the coil. It will be remembered that this coil was returned to us 5.2.23 as being faulty, but was tested and found to be OK with the exception of a crack in the case which was subsequently repaired. The coil was not put through the open circuit test on that occasion. Crack found in bakelite coil end piece accounted for breakdown. E&C. Signed C.A.P. This Sheet must be filed on completion of the work. | ||