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).
The performance and replacement of Bentley sparking plugs.
| Identifier | ExFiles\Box 142\3\ scan0160 | |
| Date | 13th March 1937 | |
| To Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} c.c. to Wst. c.c. to FD.{Frank Dodd - Bodies} 1204 Rm{William Robotham - Chief Engineer}/WB.{Mr Brazier/Mr Bell}10/JH.13.3.37. BENTLEY SPARKING PLUGS. We have removed the K.L.G. F.L.B.50X sparking plugs from 1-B-IV and Champion L.B.9 from 4-B-IV. The K.L.G.'s had completed1,600 miles and the Champion 1222 miles without complaint. These plugs have been returned to Wst. for inspection. Both cars have been fitted with K.LG.E.27. Rm{William Robotham - Chief Engineer}/WB.{Mr Brazier/Mr Bell} | ||