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 testing and diagnosis of a faulty coil from chassis No BF57.
| Identifier | ExFiles\Box 46\3\ Scan210 | |
| Date | 3rd April 1924 | |
| RR 238 (150 BKS.) [BH57 29-8-20.] MP 224355 X.3445. ROLLS-ROYCE LTD. INSTRUCTIONS. To: C.Y.B 3-4-1924 Order No. WA{Mr Wallis} 20 Customer's No. X3445. Faulty coil of Chassis No BF57 (EP{G. Eric Platford - Chief Quality Engineer}/CEPT/H 21-3-24) This coil has been tested and it was found that a break in the secondary winding had been the cause of failure of the coil, on the above chassis. This was confirmed by placing the secondary winding across 205 volts AC and applying a 4 volt lamp to the ends of the primary when the lamp showed no signs of being lighted. Primary circuit OK. Signed: H.E.W. This Sheet must be filed on completion of the work. | ||