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).
Inquiry into the number of complaints of failure or trouble with wind-tone horns after fitting a modified type.
| Identifier | ExFiles\Box 166\9\ img070 | |
| Date | 6th April 1937 | |
| Hd.{Mr Hayward/Mr Huddy} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} c. to W/N - Br.{T. E. Bellringer - Repair Manager} 3000? 6066 Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls}6/R.6.4.37. Will you please let us know how may complaints you have had of failure, or trouble, with wind-tone horns. How many of these have been recurrent since fitting the modified type ? Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||